Bruce Ames, 95, Dies; Biochemist Discovered Test for Toxic Chemicals
The Ames Test offered a fast and inexpensive way to identify carcinogens, leading to the banning of chemicals linked to cancer and birth defects.
The Ames Test offered a fast and inexpensive way to identify carcinogens, leading to the banning of chemicals linked to cancer and birth defects.
The discovery may push back the emergence of the reptiles that once ruled the Earth, and clarify how dinosaurs like the Triceratops and Stegosaurus emerged.
His two-decade quest to find elusive brain hormones became a race against Roger Guillemin, a onetime colleague and an eventual fellow prizewinner.
The spacecraft lifted off Monday on a SpaceX Falcon Heavy rocket, embarking on a nearly six-year journey to Jupiter.
Dr. Sam Yoon and a collaborator duplicated images across their research studies over many years. The collaborator has left Columbia.
Mr. Musk, who holds billions in federal contracts, wants to be in charge of the regulators that oversee him if Donald Trump wins.
A staple in laboratories worldwide, C. elegans is “an experimental dream,” said one scientist.
With a new kind of microscope, researchers got a different view of how marine snow falls to the seafloor.
Using Google’s AlphaFold, researchers identified the bundle of three sperm proteins that seem to make sexual reproduction possible.
Archaeologists have unearthed a richly decorated throne room and a “Hall of the Braided Serpents” from the Moche culture, with clues that a woman may have ruled there more than 1,300 years ago.