News
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Dates of lunar impacts refined
Posted: October 16, 2015Phenomenally durable crystals called zircons are used to date some of the earliest and most dramatic cataclysms of the solar system. One is the super-duty collision that ejected material from…
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Is tattoo ink safe?
Posted: October 16, 2015Tattoos really are more than skin deep—and that raises questions about their safety.Many people enjoy the aesthetic beauty of tattoos. But the brightly colored inks that make tattoos so vibrant…
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EPA and the regulation of greenhouse gasses
Posted: October 16, 2015This week, EPA Administrator Gina McCarthy joined private and public sector leaders for a second annual White House roundtable discussion about the progress made and new steps taken to curb emissions…
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Ebola may be transmitted by sexual contact
Posted: October 15, 2015Although researchers have known since 1999 that traces of the Ebola virus could remain in semen for months, two papers published in The New England Journal of Medicine today offer more detail…
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The future of wildfires in a warming world
Posted: October 14, 2015The history of wildfires over the past 2,000 years in a northern Colorado mountain range indicates that large fires will continue to increase as a result of a warming climate,…
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Spring will be springing earlier in the US
Posted: October 14, 2015Scientists have projected that the onset of spring plant growth will shift by a median of three weeks earlier over the next century, as a result of rising global temperatures.The…
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Re-thinking plant and insect diversity
Posted: October 13, 2015New research by biologists at the University of York shows that plant and insect diversity is more loosely linked than scientists previously believed. Insects and flowering plants are two of…
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Winds Carve Away Antarctic Snow
Posted: October 13, 2015A new study has found that powerful winds are removing massive amounts of snow from parts of Antarctica, potentially boosting estimates of how much the continent might contribute to sea…
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Nearly 1/3 of world's cacti species facing extinction
Posted: October 12, 2015Thirty-one percent of cactus species are threatened with extinction, according to the first comprehensive, global assessment of the species group by IUCN and partners, published today in the journal Nature…
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Another benefit of beet juice discovered
Posted: October 12, 2015Ever since human beings first began climbing the world's tallest mountains, they have struggled with a basic problem: altitude sickness, caused by lower air pressures which affect the ability of…
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