Nearly 6000-year-old chewing gum reveals life of ancient girl
Made of birch pitch, the gum was found at an archaeological site in Denmark
Made of birch pitch, the gum was found at an archaeological site in Denmark
Michael Lauer is second top official to leave amid agency upheaval
Gestures are in danger because of poaching and other human pressures
Seismic waves radiating through the planet’s interior point to dramatic activity
University of Minnesota’s Sylvain Lesné has been at the heart of an image-doctoring scandal on key amyloid protein linked to dementia
New study finds mental health dips at night
Organizers of USAID-funded studies grapple with ethical responsibilities to trial participants and collaborators
New approach for interpreting expressions in pets and livestock could improve animal welfare
Microbiologist Elisabeth Bik donates $200,000 to support training, travel
Controversial attorney will oversee vast health research and drug safety programs
Unique nanostructures on insect’s wings help it camouflage among the trees