Mammoth Tusk Analysis Reveals Epic Lifetime Journey around Alaska

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September 09, 2021

Animals Mammoth Tusk Analysis Reveals Epic Lifetime Journey around Alaska Researchers find the mammoth walked far enough to circle the globe twice By Esther Megbel,Tess Joosse

Climate Change Abandoning 60 Percent of Global Oil and Gas Might Limit Warming to 1.5 C Coal production needs to have already peaked and oil and gas production must steadily decline for even a 50 percent chance of meeting that target By Chelsea Harvey,E&E News

Microbiology COVID Advances Win $3-million Breakthrough Prizes Pioneers of mRNA vaccines and next-generation sequencing techniques are among the winners of science's most lucrative awards By Zeeya Merali,Nature magazine

Planetary Science Success! Perseverance Mars Rover Finally Collects Its First Rock Core The mission is living up to its name, drilling and storing a Martian rock after a misstep in August By Alexandra Witze,Nature magazine

Renewable Energy Contest Challenges Inventors to Harness Wave Power to Desalinate Seawater The Department of Energy wants devices that could be deployed to disaster areas that have lost electricity By John Fialka,E&E News

Health Care The Terrible Toll of 76 Autoimmune Diseases This list shows how common each disorder is, which body parts are stricken, and the illnesses' tendency to afflict women By Maddie Bender,Jen Christiansen,Miriam Quick

Engineering What Structural Engineers Learned from 9/11 Members of the profession study such tragic events to try and ensure that something similar won't happen again By Donald Dusenberry

Medicine Misophonia Might Not Be about Hating Sounds After All The phenomenon triggers strong negative reactions to everyday sounds but might come from subconscious mirroring behavior By Christiane Gelitz,Maddie Bender

Aerospace Starlink, Internet from Space and the Precarious Future of Broadband in Rural America President Joe Biden's infrastructure plan includes an unprecedented $65 billion for broadband deployment, but money alone will not fix the U.S.'s Internet problem. This short documentary shows why By Jacob Templin

Medicine The New Science of Autoimmune Disease Millions of people are sickened by immune systems that are supposed to defend them. There are new ideas about why this happens and how to stop it.

Behavior A New Way to Understand--and Possibly Treat--OCD People with the disorder seem to have a more flexible "sense of self" By Baland Jalal

Ecology Wolf Populations Drop as More States Allow Hunting Repercussions of planned and anticipated wolf hunts and traps could ripple through ecosystems for years to come, scientists say By Tess Joosse

FROM THE STORE Mars: A New Era of Exploration Was there ever life on Mars? Could life exist there? The latest of nearly 50 missions, NASA's Mars Perseverance Rover is the opening shot of an ambitious plan to find answers. In this eBook, we look at the Red Planet: what we've learned from past rovers, the challenges of space travel and searching for life, proposals for how to make Mars livable and how Perseverance could change everything we know for decades to come.

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FROM THE ARCHIVE Story of Mammoth Survival Is in the Soil Ancient DNA preserved in soil may rewrite what we thought about the Ice Age By Riley Black | January 2021

QUOTE OF THE DAY "Tusks are like timelines." Matthew Wooller, paleoecologist at the University of Alaska Fairbanks

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