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Search resuls for: "Ayurella Horn-Muller"


4 mentions found


☆ The upcoming solar eclipse will cause shallow, cumulus clouds to disappear. Researchers explain why
  + stars: | 2024-03-30 | by ( Ayurella Horn-Muller | ) edition.cnn.com   time to read: +11 min
That’s at least what scientists expect to take place in swaths of Mexico, Canada and the United States during April 8’s total solar eclipse. They discovered that cumulus clouds dissipate during eclipses because of the relationship between solar radiation and the formation processes of the clouds. Shallow cumulus clouds, in particular, serve a critical function. But what exactly shallow cumulus clouds’ role is when it comes to the rapidly warming climate remains a long-standing subject of uncertainty in the scientific community. De Roode hopes those across North America gearing up for the next solar eclipse remember to keep an eye out for any vanishing low-lying cumulus clouds.
Persons: CNN —, ”, Victor Trees, Jake Gristey, Gristey, “, Kevin Knupp, Knupp, Stephan de Roode, de Roode, ” de Roode, ’ Gristey, De Roode, Ayurella, Muller Organizations: CNN, Environment, geoscience, Delft University of Technology, cumulus, Cooperative Institute for Research, Environmental Sciences, University of Colorado Boulder, University of Alabama, Climate Locations: Mexico, Canada, United States, Netherlands, Africa, Huntsville, North America, Axios
☆ Last Chance Lake: A ‘soda lake’ in North America could point to the origin of life on Earth
  + stars: | 2024-02-17 | by ( Ayurella Horn-Muller | ) edition.cnn.com   time to read: +9 min
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, ”
☆ Sanfordiacaulis: New ancient tree species looks like it could be from the mind of Dr. Seuss
  + stars: | 2024-02-02 | by ( Ayurella Horn-Muller | ) edition.cnn.com   time to read: +7 min
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
☆ Flowers are evolving in ways that could spell further trouble for the planet’s pollinators
  + stars: | 2024-01-23 | by ( Ayurella Horn-Muller | ) edition.cnn.com   time to read: +7 min
The pansies of the past self-fertilized less and attracted far more pollinators than those of the present, according to the study. The changes could constrain the plants’ ability to adapt to future environmental changes and have implications for “all of floral biodiversity” — potentially diminishing flowering plants’ genetic, species and ecosystem variation. “This may increase the pollinator decline and cause a vicious feedback cycle,” study coauthor Pierre-Olivier Cheptou told CNN. Meanwhile, the “resurrected” flowers’ surfaces were 10% bigger, produced 20% more nectar and were frequented by more bumblebees than their modern counterparts. “(The study) is a really important demonstration of the tight linkages between plant and pollinator communities,” LeBuhn said.
Persons: Samson Acoca, ”, Pierre, Olivier Cheptou, Viola arvensis, Pidolle, ” isn’t, Gretchen LeBuhn, LeBuhn, ” LeBuhn, don’t, “, Ayurella, Muller Organizations: CNN, University of Montpellier, French National Centre for Scientific Research, San Francisco State University, Climate Central Locations: France, Paris, heterozygosity, Axios, ”
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