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☆ The evolutionary twist that could have helped dinosaurs rule Earth
▼ + stars: | 2024-05-18 | by ( Katie Hunt | ) edition.cnn.com time to read: +6 min

New research this week is adding fresh detail to one of paleontology’s biggest questions: Did dinosaur blood run hot or cold? Clues from fossilized eggshells and bones have now suggested that some dinosaurs were warm-blooded and others were not. Reinhard Dirscherl/ullstein bild/Getty ImagesMarine scientists have used artificial intelligence to decode previously unknown complexity in the calls of sperm whales. The whales produced a catalog of clicking sounds, which the researchers described as akin to a “phonetic alphabet” for sperm whales. What sperm whales are saying with their clicks remains a mystery to human ears, but understanding the scope of their vocal exchanges is an important step toward linking their calls with specific behavior.

Persons: Dinos, Davide Bonadonna, Jeff Lichtman, Reinhard Dirscherl, Napoleon Bonaparte, Ashley Strickland, Katie Hunt Organizations: CNN, Vigo, UCL, Google Research, Lichtman, Harvard University, Google, Harvard, Northern, Central America, Getty Images Marine, —, Heritage, CNN Space, Science Locations: Universidade, North America, Scandinavia, Europe, Central, India, Dover, England

☆ Project Wild Earth: This family of four has just embarked on a 5-year adventure around the world
▼ + stars: | 2023-07-21 | by ( Kate Springer | ) edition.cnn.com time to read: +11 min

They instantly connected and maintained a long-distance relationship for a year after his road trip ended before moving to Hong Kong to start a life together. During the project, dubbed “Project Wild Earth,” they will also share stories on their website and social media accounts about inspiring rangers, support organizations, government officials and entrepreneurs they work or come in contact with. Leah, an American, worked as a primary school teacher and helped establish a Sudbury school in Hong Kong that empowers children to direct their own education. The Priors found themselves stuck in Hong Kong, which had some of the strictest pandemic restrictions in the world due to its “zero-Covid” approach. “When these things unfolded in Hong Kong, we had to reconsider everything.

Persons: we’re, Matt, Leah Prior, Leah, Zapp, Graham, Paige, “ Leah, ” Matt, ”, “, AdventureX, Jack, Matt couldn’t, “ Jack, Sai Kung, “ It’s, Dr, Jane Goodall, Tompkins, Allen, –, Reinhard Dirscherl, Charlotte, they’ll Organizations: CNN, The Explorers Club, Sumy Sadurni, Getty, Allen Coral Atlas, Jane, Jane Goodall Institute and, Bank Locations: Charlotte, Laos, London, South Korea, Hong Kong, Europe, Central Asia, China, Southeast Asia, Asia, Pacific, Africa, Americas, American, Sudbury, British, Indonesia, Hong, New Territories, AFP, Patagonia, agroforestry

☆ Several shark species are facing extinction. Here’s how you can help
▼ + stars: | 2023-07-11 | by ( Cnn Impact Your World | ) edition.cnn.com time to read: +5 min

But many species of these aquatic apex predators are now in danger of dying out forever. Of the thousand known species of sharks and rays (sharks’ closest living relatives), over a third of them are at risk of extinction. And since sharks are “indicators of ocean health,” as sharks go, so does the delicate balance of marine ecosystems. A 2021 report showed over the last 50 years, global shark and ray populations have fallen more than 70%. Listed as threatened under the Endangered Species Act, oceanic whitetip shark numbers in the Pacific Ocean have fallen an estimated 80 to 95% within the last 30 years, according to NOAA.

Persons: They’ve, ”, Reinhard Dirscherl, Nick Dulvy, “, Ocean Foundation It’s Organizations: CNN, “ Sharks, Rays, NOAA, Ocean Foundation Locations: Texas

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