Mice C57BL/6 mice, maintained under GF conditions, were purchased from Sankyo Laboratories Japan, SLC Japan or CLEA Japan. GF and gnotobiotic mice were bred and maintained within the gnotobiotic facility
Ryan McRae and Briana Pobiner With many projects around the world proceeding despite the Covid-19 pandemic, researchers across a variety of fields made multiple exciting breakthroughs on human origins, gaining
Victoria Sayo Turner Mass Media Fellow, AAAS Inside the artist Greg Dunn’s Philadelphia studio, the acrid smells of solvent and dye hang in the air. Glittering dust swirls up when
The JOIDES Resolution in 2012 off the coast of Costa Rica, on an expedition to understand how earthquakes form Arito Sakaguchi & IODP/TAMU via Wikimedia Commons In July 2022, a
It seems like Mercury, sitting so close to the sun, should already be a dead planet. Scientists thought the humble hunk of rock that’s only slightly girthier than Earth’s moon
Asteroid impacts and volcanism have led to mass extinctions on our planet. Illustration by Emily Lankiewicz / NASA / Public Domain Life’s first major catastrophe crept across the planet with