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Stone Age Paleo diet was not rich in meat, scientists say
  + stars: | 2024-04-30 | by ( Katie Hunt | ) edition.cnn.com   time to read: +7 min
CNN —What did people in the Stone Age eat before the advent of farming around 10,000 years ago? Scientists analyzed chemical signatures preserved in bones and teeth belonging to at least seven different Iberomaurusians and found that plants, not meat, were their primary source of dietary protein. The evidence suggested that the Iberomaurusians consumed “fermentable starchy plants” such as wild cereals or acorns, according to the study. The work undermines the idea that a Stone Age diet was meat heavy — a rigid assumption perpetuated by present-day dietary trends like the Paleo diet. The transition to agriculture was a complex process that occurred at different times and proceeded at different rates, in different ways with different foods, in different places, Pobiner said.
Persons: Heiko Temming, , Zineb Moubtahij, Max Planck, Klervia Jaouen, ” Jaouen, Iberomaurusians, ” Moubtahij, , Briana Pobiner, wasn’t, Jaouen, Pobiner, Organizations: CNN, Géosciences Environnement, Max Planck Institute, Stone, Smithsonian National Museum of Locations: what’s, Morocco, Cave, Géosciences Environnement Toulouse, France, Leipzig, Germany, Taforalt, Peru, Levant
Mars may be 140 million miles away, but its gravitational pull could be impacting Earth's oceans. Scientists at the University of Sydney in Australia believe the red planet's tug is creating "giant whirlpools" in the oceans called eddies, which can shift the deep-sea floor. This, they claim, is part of a 2.4-million-year climate "grand cycle" on Earth that has been ongoing for at least 40 million years. The red planet's orbit and ours are locked in an intricate dance, and every so often, these line up so that Mars' gravitational pull on Earth is just a little more intense — this is called resonance. This information is crucial when refining models helping us see how our planet's intricate climate will progress over time.
Persons: Adriana Dutkiewicz, NASA's, Dietmar Müller, Malin, Matthew England, Benjamin Mills, wasn't, Mills Organizations: Service, University of Sydney, Business, NASA's Goddard Space, geosciences, Nature Communications, Mars NASA, JPL, Systems, University of New, New, University of Leeds Locations: Australia, Japan, New, University of New South Wales, Sydney
CNN —Scientists have voted against a proposal to declare a new geological epoch called the Anthropocene to reflect how profoundly human activity has altered the planet. The vote followed a 15-year process to select a geological site that best captures humanity’s impact on the planet. Some experts argued that the start of the Anthropocene could be better defined in other ways, such as the beginning of the Industrial Revolution. “This is the commission’s expert group for this interval of geological time and we are bound by its decision. Regardless of whether the term is officially classified as a geological epoch, Anthropocene is already widely in use, Cohen noted.
Persons: Kim Cohen, , Cohen, Phil Gibbard, eon, Colin Waters, Waters, , David Harper, ” Harper, hadn’t, Organizations: CNN —, International Union of Geological Sciences, CNN Tuesday, geosciences, Utrecht University, Scott Polar Research, University of Cambridge, Geologists, University of Leicester, Durham University, International, of Locations: Ontario, Netherlands, United Kingdom
Last Chance LakeLast Chance Lake is no more than 1 foot deep. Haas displays a piece of dry-season lake crust taken from Last Chance Lake in September 2022. Last Chance Lake isn’t 4 billion years old — in fact, it’s estimated to have been around less than 10,000 years. Past studies suggest a primordial version of the soda lake may very well have included the substance. “Understanding how life originated on Earth has this importance for our search for life outside of Earth,” Haas told CNN.
Persons: , David Catling, , ” Catling, It’s, Sebastian Haas, Haas, David C, isn’t, , ” Haas, Catling, Charles Darwin, Matthew Pasek, Pasek, they’re, Woodward Fischer, Ayurella, Muller Organizations: CNN, British Columbia, University of Washington, geosciences, University of South, California Institute of Technology, , Climate Central Locations: Canadian, British, British Columbia, Chance, Yellowstone, University of South Florida, Axios,
At least 112 people have been killed by wildfires in central Chile, leading its president to declare two days of national mourning. Scientists say climate change makes the heat waves and drought now hitting South America more likely — and both contribute to wildfires by drying out the plants that feed the blazes. “Climate change has made droughts more common,” said Mitchard. Climate change makes stronger El Niños more likely, said Mitchard, and droughts caused by it are likelier to be more intense. And the Intergovernmental Panel on Climate Change has found that globally, extreme heat waves happen five times more often because of human-caused global warming.
Persons: Edward Mitchard, , We’ve, Mitchard, Organizations: South America, University of Edinburgh School of Geosciences, it's, World Resources Institute, Associated Press Locations: Chile, Colombia, CHILE, Santiago, Scotland, South America, Belgium, AP.org
One of his videos provided the missing piece to link 400-year-old fossils with living euglenoids. And it helped them solve a scientific mystery that's confused biologists for decades. To find ancient evidence of euglenoids, van de Schootbrugge and his colleagues looked at microfossils — teensy fossils that are only a few millimeters in size. AdvertisementA chance viewing of a YouTube video helped van de Schootbrugge and his colleagues link the fossils and living euglenoids. The proof was in a pond (and on YouTube)There were two main problems with the cyst microfossils: what they were called and what they looked like.
Persons: Fabian Weston, , who's, Euglenoids, Bas, de, de Schootbrugge, they've, van de Schootbrugge, van de Schootbrugge's, Paul Strother, Strother, Van de Schootbrugge, Wilson Taylor Organizations: Service, Utrecht University, YouTube, New South Wales, University of Wisconsin, Eau Claire Locations: New South, Vouliagmeni, Greece
The authors said these new and unusual fossil trees not only bear a surprising shape reminiscent of a Dr. Seuss illustration, they reveal clues about a period of life on Earth of which we know little. Few tree fossils that date back to Earth’s earliest forests have ever been found, according to Gastaldo. Most ancient tree specimens are relatively small, he noted, and often discovered in the form of a fossilized trunk with a stump or root system attached. Wilf noted via email that the “unusual” new fossil tree was a relic of a time period from which there are almost no tree fossils. The peculiar set of tree fossils presents proof of a “failed experiment of science and evolution,” Stimson added.
Persons: Seuss, , Robert Gastaldo, sedimentologist, , Coauthors Olivia King, Matthew Stimson, Gastaldo, “ gobsmacked, Tim, Laurie Sanford, Stimson, ” Stimson, Peter Wilf, Wilf, ” Wilf, Dr, King, “ We’re, fossilization, ” Gastaldo Organizations: CNN, Colby College, New Brunswick Museum, geosciences, Pennsylvania State University Locations: Canadian, New Brunswick, Waterville , Maine, paleobotanist
They may be due to hot time bombs made of natural gas building up under the frozen ground. AdvertisementScientists are putting forward a new explanation for the giant exploding craters that seem to be randomly appearing in the Siberian permafrost. AdvertisementNow scientists are proposing that hot natural gas seeping from underground reserves might be behind the explosive burst. The natural gas building up over a layer of sediment is represented in purple. The area is rife with natural gas reserves, which lines up with Hellevang and colleagues' theory, per the study.
Persons: , Helge Hellevang, VASILY BOGOYAVLENSKY, It's, Sofie Bates, Hellevang, Helge Hellevang et, Lauren Schurmeier, Thomas Birchall, Hellenvang Organizations: Service, University of Oslo, Gas, Getty, NASA, University of Hawai'i, New, University Locations: Siberia, Norway, AFP, Northern Russia, Canada, Svalbard
Water leaking into the Earth may be wrapping the core in crystals, a study has suggested. "For years, it has been believed that material exchange between Earth's core and mantle is small. We still don't know everything about our planet's insidesThe Earth's core is only about 1,800 miles under our feet, but it's more inaccessible than Mars. Dan Shim/ASUTo support their hypothesis, the scientists simulated the high-pressure conditions of the outer core in the lab. He added that his calculations show that he can explain the E-prime layer "reasonably well" with a range of water transportation scenarios.
Persons: Dan Shim, Shim, haven't, Jon Wade, Wade Organizations: Service, Arizona State University, Geosciences, ASU, Materials, Oxford University
Magnitude 6.4 earthquake in Philippine Islands region
  + stars: | 2023-12-03 | by ( ) www.reuters.com   time to read: 1 min
Dec 3 (Reuters) - A magnitude 6.4 earthquake struck the Philippine Islands region on Sunday, the German Research Centre for Geosciences said. The quake was 10 km below the Earth's surface, GFZ said. Reporting by Surbhi Misra in Bengaluru Editing by David GoodmanOur Standards: The Thomson Reuters Trust Principles.
Persons: GFZ, Surbhi Misra, David Goodman Organizations: German Research Centre, Geosciences, Thomson Locations: Philippine, Bengaluru
Magnitude 6.8 earthquake strikes Mindanao, Philippines
  + stars: | 2023-12-03 | by ( ) www.reuters.com   time to read: 1 min
Dec 4 (Reuters) - A magnitude 6.8 earthquake struck Mindanao in the Philippines in the early hours of Monday morning, the German Research Centre for Geosciences (GFZ) said. The quake was at a depth of 38 km (23.61 miles), GFZ said. GFZ earlier pegged the earthquake's magnitude at 6.3. The U.S. Tsunami Warning System said there was no threat of a tsunami after the quake. Reporting by Nilutpal Timsina in Bengaluru; Editing by Andrew HeavensOur Standards: The Thomson Reuters Trust Principles.
Persons: GFZ, Nilutpal, Andrew Heavens Organizations: German Research Centre, Geosciences, U.S ., Thomson Locations: Mindanao, Philippines, U.S, Bengaluru
MANILA, Nov 18 (Reuters) - The death toll from a magnitude 6.7 earthquake in the southern Philippines has increased to six and authorities are searching for two missing people, local disaster officials said on Saturday. A man and his wife died when a concrete wall collapsed on them, while another woman was killed in a shopping mall, Dacera said. In Davao Occidental province, a 78-year-old man died after being crushed by a rock, Franz Irag, civil defense officer in the Davao region, told DWPM radio. Power supply has been restored and most roads are passable, disaster officials said, adding that reports were mostly of minor damage to homes and buildings. The Philippines lies within the Pacific "Ring of Fire," where volcanic activity and earthquakes are common.
Persons: Agripino, General Santos, Dacera, Angel Dugaduga, Franz Irag, Neil Jerome Morales, Chris Reese, Rosalba O'Brien Organizations: German Research Center, Geosciences, General, General Santos City, Reuters, Thomson Locations: MANILA, Philippines, Mindanao, South Cotabato, Sarangani, Glan, Davao Occidental province, Davao
Nov 17 (Reuters) - An earthquake of magnitude 5.7 struck the Myanmar-China border region on Friday, German Research Centre for Geosciences (GFZ) said. The quake was at a depth of 10 km (6.21 miles) GFZ said. Reporting by Mrinmay Dey in Bengaluru; Editing by Christopher CushingOur Standards: The Thomson Reuters Trust Principles.
Persons: GFZ, Mrinmay Dey, Christopher Cushing Organizations: Research Centre, Geosciences, Thomson Locations: Myanmar, China, Bengaluru
The quake struck off Mindanao island at a depth of 60 km (37.3 miles), according to the German Research Center for Geosciences (GFZ). PHIVOLCS director Teresito Bacolcol told DZRH radio the earthquake's intensity was "destructive, so we would expect damage". The earthquake lasted several seconds, he said, advising residents to be on alert for aftershocks as strong as magnitude 6.2. Radio announcer Leny Aranego in General Santos city, close to Glan, said the quake shook buildings and desks. Michael Ricafort, an economist at the lender RCBC, said in a Facebook post passengers at General Santos City airport were evacuated to the tarmac.
Persons: Angel Dugaduga, Amor Mio, Mio, Teresito Bacolcol, Leny Aranego, Michael Ricafort, Shubhendu Deshmukh, Neil Jerome Morales, Mikhail Flores, Kanupriya Kapoor, Andrew Cawthorne Organizations: Fire, German Research Center, Geosciences, General Santos, Thomson Locations: Philippines, Fire MANILA, Mindanao, Glan, Earthquakes, Philippine, Koronadal, General Santos, Bengaluru, Manila
Greenland Glaciers Melt Five Times Faster Than 20 Years Ago
  + stars: | 2023-11-10 | by ( Nov. | At A.M. | ) www.usnews.com   time to read: +2 min
By Johannes BirkebaekCOPENHAGEN (Reuters) - Global warming has increased the speed at which glaciers in Greenland are melting by fivefold over the last 20 years, scientists from the University of Copenhagen said on Friday. Greenland's ice melt is of particular concern, as the ancient ice sheet holds enough water to raise sea levels by at least 20 feet (6 meters) if it were to melt away entirely. "I believe we can prepare for those glaciers to continue to melt at increasing speeds," Olesen said. Glaciers in Greenland are often used to anticipate the effects of climate change on Greenland's ice sheet. The Greenland ice sheet contributed 17.3% of the observed rise in sea level between 2006 and 2018 and glaciers have contributed 21%.
Persons: Johannes Birkebaek COPENHAGEN, Anders Anker Bjork, Bjork, Jørgen Eivind Olesen, Olesen, William Colgan, Johannes Birkebaek, Barbara Lewis Organizations: University of Copenhagen, geosciences, Reuters, European Union, Climate Institute, Aarhus University, Geological Survey Locations: Greenland, Denmark
Valleys cut by glaciers of the Greenland Ice Sheet along the mountains of Greenland, August 3, 2022. Greenland's ice melt is of particular concern, as the ancient ice sheet holds enough water to raise sea levels by at least 20 feet (6 meters) if it were to melt away entirely. "I believe we can prepare for those glaciers to continue to melt at increasing speeds," Olesen said. Glaciers in Greenland are often used to anticipate the effects of climate change on Greenland's ice sheet. The Greenland ice sheet contributed 17.3% of the observed rise in sea level between 2006 and 2018 and glaciers have contributed 21%.
Persons: Jim Urquhart, Anders Anker Bjork, Bjork, Jørgen Eivind Olesen, Olesen, William Colgan, Johannes Birkebaek, Barbara Lewis Organizations: REUTERS, Rights, University of Copenhagen, geosciences, Reuters, European Union, Climate Institute, Aarhus University, Geological Survey, Thomson Locations: Greenland, Denmark
Deadly earthquakes in Nepal since 2015
  + stars: | 2023-11-04 | by ( ) www.reuters.com   time to read: +2 min
NOV 3, 2023At least 128 people were killed and dozens injured when a strong earthquake struck the western area of Jajarkot. OCT 3, 2023Two earthquakes rocked western Nepal, injuring 17 people, damaging homes and triggering a landslide that blocked a major highway. NOV 12, 2022An earthquake of magnitude 5.4 struck Nepal, shaking houses in the Himalayan country and India. SEPT 16, 2020An earthquake measuring magnitude 6 struck Nepal and tremors caused by the quake were felt in the capital, Kathmandu. The previous deadliest earthquake to strike the country, in 1934, killed at least 8,519 in Nepal, as well as thousands more in India.
Persons: Jamie Freed Organizations: REUTERS Acquire, German Research Centre, Geosciences, U.S . Geological Survey, YP Rajesh, Thomson Locations: Jajarkot, Nepal, China, India, New Delhi, U.S, Bajhang, Kathmandu
Rescuers Struggle to Find Nepal Quake Survivors, Deaths at 137
  + stars: | 2023-11-04 | by ( Nov. | At A.M. | ) www.usnews.com   time to read: +4 min
"The number of injured could be in the hundreds and the deaths could go up as well," Jajarkot district official Harish Chandra Sharma told Reuters by phone. Officials said 99 people were killed in Jajarkot and 38 in neighbouring Rukum West district, both in Karnali province. At least 85 people were injured in Rukum West and 55 in Jajarkot, an official in the prime minister's office said. Thousands of residents spent the entire night in cold, open grounds because they were too scared to go in into the cracked houses as aftershocks struck," Sharma said. Local TV channels showed rescuers digging through the rubble with their bare hands looking for survivors in the debris of collapsed houses.
Persons: Gopal Sharma, Harish Chandra Sharma, Sharma, Pushpa Kamal Dahal, Krishna Bhandari, Narendra Modi, Saurabh Sharma, YP Rajesh, William Mallard Organizations: Seismological, German Research Centre, Geosciences, U.S . Geological, Reuters, Authorities, Indian, YP Locations: Gopal Sharma KATHMANDU, Nepal, New Delhi, Kathmandu, Jajarkot, Rukum West, Karnali province, Ramidanda, Surkhet, Chaurjahari, Rukum, India, Uttar Pradesh, Uttarakhand, LUCKNOW
[1/5] A damaged building is seen after an earthquake in Jajarkot, Nepal, November 4, 2023. Officials said 99 people were killed in Jajarkot and 38 in neighbouring Rukum West district, both in Karnali province. At least 85 people were injured in Rukum West and 55 in Jajarkot, an official in the prime minister's office said. Thousands of residents spent the entire night in cold, open grounds because they were too scared to go in into the cracked houses as aftershocks struck," Sharma said. Local TV channels showed rescuers digging through the rubble with their bare hands looking for survivors in the debris of collapsed houses.
Persons: Harish Chandra Sharma, Sharma, Pushpa Kamal Dahal, Krishna Bhandari, Narendra Modi, Gopal Sharma, Saurabh Sharma, YP Rajesh, William Mallard Organizations: REUTERS Acquire, Seismological, German Research Centre, Geosciences, U.S . Geological, Reuters, Authorities, Indian, YP, Thomson Locations: Jajarkot, Nepal, New Delhi, Kathmandu, Rukum West, Karnali province, Ramidanda, Surkhet, Chaurjahari, Rukum, India, Uttar Pradesh, Uttarakhand, LUCKNOW
Nepal earthquake kills at least 69
  + stars: | 2023-11-03 | by ( Gopal Sharma | ) www.reuters.com   time to read: +3 min
Light illuminates a street between the cluster of residential buildings in Kathmandu, Nepal November 8, 2022. "Rescue and search teams have to clear roads blocked by dry landslides due to the earthquake to reach the affected areas," Bhattarai said. At least 20 people were rushed to hospital with injuries, Jajarkot district official Suresh Sunar told Reuters by phone. Nepal's National Seismological Centre said the quake occurred at 11:47 p.m. (1802 GMT) in Jajarkot district of Karnali province. The earthquake shook buildings as far as New Delhi, about 600 km (375 miles) away, according to Reuters witnesses.
Persons: Navesh, Harish Chandra Sharma, Namaraj Bhattarai, Bhattarai, Pushpa Kamal Dahal, Jajarkot, Suresh Sunar, Santosh Rokka, Aditya Kalra, Gopal Sharma, Shivam Patel, Gnaneshwar Rajan, Jahnavi, Chris Reese, Jonathan Oatis, Cynthia Osterman, David Gregorio, Sandra Maler Organizations: REUTERS, Seismological Centre, German Research Centre, Geosciences, U.S . Geological Survey, Twitter, Reuters, Nepal's, Thomson Locations: Kathmandu, Nepal, Jajarkot, New Delhi, India, Rukum West, Jajarkot district, Karnali province
Magnitude 6.3 earthquake strikes Vanuatu islands region - GFZ
  + stars: | 2023-10-29 | by ( ) www.reuters.com   time to read: 1 min
Oct 29 (Reuters) - An earthquake of magnitude 6.3 struck the Vanuatu islands region on Sunday, the German Research Center for Geosciences (GFZ) said. The quake was at a depth of 94 km (58 miles), GFZ said. Reporting by Maria Ponnezhath in BengaluruOur Standards: The Thomson Reuters Trust Principles.
Persons: GFZ, Maria Ponnezhath Organizations: German Research Center, Geosciences, Thomson Locations: Vanuatu, Bengaluru
[1/4] A general view of the quake-hit area in the district of Zinda Jan, in Herat, Afghanistan October 10, 2023. There were no details on casualties so far, disaster management spokesman Janan Sayeeq told Reuters, but provincial officials said hundreds of homes had been destroyed. Hemmed in by mountains, Afghanistan has a history of strong earthquakes, many in the rugged Hindu Kush region bordering Pakistan. Herat province borders Iran, which said it would send humanitarian aid. The United Nation's humanitarian office has also announced $5 million worth of assistance.
Persons: Zinda Jan, Ali Khara, Janan Sayeeq, Noor Ahmad Shahab, Shahab, Mohammad Yunus Yawar, Mrinmay Dey, Gibran Peshimam, Jacqueline Wong, Simon Cameron, Moore, Miral Organizations: REUTERS, Rights, Reuters, Mobile, World Health Organisation, German Research Center, Geosciences, United, Thomson Locations: Zinda, Herat, Afghanistan, Rights KABUL, Pakistan, Iran, Rubat, Turkey, China, Kabul, Bengaluru
Oct 7 (Reuters) - An earthquake of magnitude 5.6 struck northwestern Afghanistan on Saturday, the German Research Center for Geosciences (GFZ) said. GFZ revised the magnitude down from an initial reading of 6.2 for the quake, which it said was at a depth of 10 km (6.2 miles). Reporting by Rishabh Jaiswal in Bengaluru; Editing by Edwina Gibbs and William Mallard私たちの行動規範:トムソン・ロイター「信頼の原則」
Persons: GFZ, Rishabh, Edwina Gibbs, William Mallard 私 Organizations: German Research Center, Geosciences Locations: Afghanistan, Bengaluru
Scientists have long thought Earth's inner core is like a huge solid metal ball. It could help explain why Earth's magnetic field is so weird. Jung-Fu Lin / UT Jackson School of GeosciencesThe Earth's inner mush revealedA 2021 study had already started to question the big-iron-ball assumption. Seismic waves, they found, weren't really going through the Earth in a way consistent with a fully solid core. AdvertisementAdvertisementIt recreated the intense pressure and temperature conditions found in the inner core inside a lab, and combined that data with a much more advanced computer model.
Persons: Youjun Zhang, We've, that's, Jung, Fu, Lin, Fu Lin, weren't, Jessica Irving, Zhang Organizations: Service, University of Texas, UT Jackson School of Geosciences, University of Bristol, Science, National Academy of Sciences Locations: Sichuan, shockwaves, England
AdvertisementAdvertisementMercury, the smallest planet in the solar system, is getting even — and getting more wrinkles as it does, a new study suggests. Mercury is wrinkling like an old appleLike any other planet, Mercury is losing heat. The study, published in Nature Geosciences on Monday, identified 48 definite and 244 likely grabens on pictures snapped by NASA's MESSENGER probe in 2015. AdvertisementAdvertisementMercury is likely constantly shaking with quakesThe study also suggests Mercury is constantly shaking with quakes, Rothery said. ESA/BepiColombo/MTM, CC BY-SA 3.0 IGOThe next step for Mercury, Rothery said, will be the arrival of a space probe called BepiColumbo.
Persons: , David Rothery, Rothery, Ben Man, Nat, it's, we've, BepiColumbo Organizations: Service, UK's Open University, Nature Geosciences, Mercury, ESA, European Space Agency, Japan Aerospace Exploration Agency Locations: et
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