What’s at Stake in Supreme Court Case on Transgender Health Care
This week the U.S. Supreme Court heard oral arguments in United States v. Skrmetti, a case that challenges Tennessee’s ban on gender-affirming care for minors. The justices are considering whether these bans discriminate on the basis of sex under the Constitution’s Equal Protection Clause. The Court appears poised to uphold the Tennessee law, SB1, which
These Two Botanists Put Their Lives on the Line on the Colorado River All for Their Science
Two female botanists—Elzada Clover and Louis Jotter—made headlines for riding the rapids of the Colorado River in 1938 in an effort to document the Grand Canyon’s plant life. In Brave the Wild River: The Untold Story of Two Women Who Mapped the Botany of the Grand Canyon , author Melissa L. Sevigny retraces their journey
For Orcas, Dead Salmon Hats Are Back in Fashion
December 5, 2024 2 min read Orcas off the coast of Washington State are balancing dead fish on their head like it’s the 1980s, but researchers still aren’t sure why they do it By Sascha Pare & LiveScience Killer whales (Orcinus orca) or orca, San Juan islands. Washington State, USA. imageBROKER.com GmbH & Co. KG/Alamy
Clovis People’s Diet Mainly Included Mammoths and Other Large Mammals, New Study Says
Paleoanthropologists have found that the Columbian mammoth (Mammuthus columbi) was the largest contributor to the diet of the Clovis people — the earliest widespread group of hunter-gatherers to inhabit North America, followed by elk and bison/camel, while the contribution of small mammals was negligible. An artist’s reconstruction of Clovis life 13,000 years ago shows the
Study: Comet 67P/Churyumov-Gerasimenko’s Water Has Similar Molecular Signature to Earth’s Water
Contradicting the results of several recent studies, the new findings reopen the case that Jupiter-family comets like 67P/Churyumov-Gerasimenko could have helped deliver water to Earth. This false-color four-image mosaic comprises images taken from a distance of 28.7 km from the center of Comet 67P/Churyumov-Gerasimenko on 3 February 2015. The mosaic measures 4.2 x 4.6 km.
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