How Frogs Benefited From The Dinosaurs' Extinction
The asteroid that hit Earth 66 million years ago spelled disaster for the dinosaurs. But scientists say they’ve found one silver lining to the mass extinction — turns out, it…
biology
Thousands of Genes Influence Most Diseases
In a provocative new perspective piece, Stanford researchers say that disease genes are spread uniformly across the genome, not clustered in specific molecular pathways, as has been thought. The gene…
Researchers Discover What May Be Earliest Stage of Alzheimer’s
Older adults with elevated levels of brain-clogging plaques — but otherwise normal cognition — experience faster mental decline suggestive of Alzheimer’s disease, according to a new study led by the…
Scientists 3-D Print Mouse Ovaries That Actually Make Babies
Not all girls grow up to be mothers. Sometimes they choose not to be, and sometimes circumstances take those choices away. A superfluity of cancers and genetic diseases can destroy…
Study of Worms Reveals ‘Selfish Genes’ That Encode A Toxin – and Its Antidote
A UCLA study has found that a common strain of Caenorhabditis elegans — a type of roundworm frequently used in laboratory research on neural development — has a pair of genes…
In Brain Evolution, Size Matters – Most of the Time
Which came first, overall bigger brains or larger brain regions that control specialized behaviors? Neuroscientists have debated this question for decades, but a new Cornell study settles the score. The…