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Totally Parched: 100% of California in Drought

Totally Parched: 100% of California in Drought
California is parched, with 100 percent of the Golden State entrenched in drought conditions for the first time in 15 years, according to the U.S. Drought Monitor (USDM). "With the expansion of D1 [moderate drought] across southeast California and southwest Arizona, this week marks the first time in the 15-year history of the USDM that…
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We’re Not Ready to Deal with Oil Spills in the Arctic

We’re Not Ready to Deal with Oil Spills in the Arctic
As climate change warms the Arctic faster than the rest of the planet and the once ice-covered ocean is opening up, shipping concerns and oil and gas companies are moving in. With commercialization of the Arctic Ocean heating up, we’re coming to realize that we’re not prepared to deal with the likely disasters that will accompany it—especially…
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Secret to surviving mass extinctions? Don’t be a picky eater

Secret to surviving mass extinctions? Don’t be a picky eater
Finicky eaters usually do not survive mass extinction events, suggests a new study on prehistoric big cats. Cougars, which will eat meat, guts, bones — the proverbial whole enchilada, survived the mass extinction event 12,000 years ago, while their finicky cousins the saber tooth cat and American lion bit the dust. The study, published in…
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Brain size matters when it comes to animal self-control

Brain size matters when it comes to animal self-control
Chimpanzees may throw tantrums like toddlers, but their total brain size suggests they have more self-control than, say, a gerbil or fox squirrel, according to a new study of 36 species of mammals and birds ranging from orangutans to zebra finches. Scientists at Duke University, UC Berkeley, Stanford, Yale and more than two-dozen other research…
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Humans May Have Dispersed Out of Africa Earlier Than Thought

Humans May Have Dispersed Out of Africa Earlier Than Thought
Modern humans may have dispersed in more than one wave of migration out of Africa, and they may have done so earlier than scientists had long thought, researchers now say. Modern humans first arose between 100,000 and 200,000 years ago in Africa. But when and how the modern human lineage then dispersed out of Africa…
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Neanderthals Had Shallow Gene Pool, Study Says

Neanderthals Had Shallow Gene Pool, Study Says
Neanderthals were remarkably less genetically diverse than modern humans, with Neanderthal populations typically smaller and more isolated, researchers say. Although Neanderthals underwent more genetic changes involving their skeletons, they had fewer such changes in behavior and pigmentation, scientists added. Modern humans are the only humans alive today, but Earth was once home to a variety of other…
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Impact glass from asteroids and comets stores biodata for millions of years

Impact glass from asteroids and comets stores biodata for millions of years
Bits of plant life encapsulated in molten glass by asteroid and comet impacts millions of years ago give geologists information about climate and life forms on the ancient Earth. Scientists exploring large fields of impact glass in Argentina suggest that what happened on Earth might well have happened on Mars millions of years ago. Martian…
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New study outlines ‘water world’ theory of life’s origins

New study outlines ‘water world’ theory of life’s origins
Life took root more than four billion years ago on our nascent Earth, a wetter and harsher place than now, bathed in sizzling ultraviolet rays. What started out as simple cells ultimately transformed into slime molds, frogs, elephants, humans and the rest of our planet's living kingdoms. How did it all begin? A new study…
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