1+ hour, 5+ min ago   (84+ words) When forensic investigators recover human remains, one of the first and most fundamental questions they must answer is simple to ask but often difficult to answer: was this person male or female? A new study published in the International Journal…...

3+ week, 2+ day ago   (690+ words) IRVINE, Calif., Aug. 20, 2026 — The human cerebral cortex is often portrayed as a single folded sheet of neural tissue, but its remarkable abilities depend on a much more precise arrangement. During embryonic development, the cortex is divided into areas with distinct…...

9+ hour, 29+ min ago   (83+ words) Bitterness is often dismissed as a nuisance of the dinner plate, the flavor note that makes children push away Brussels sprouts and coffee drinkers reach for sugar. Yet for evolutionary biologists and physiologists, the ability to detect bitter compounds is…...

3+ week, 4+ day ago   (594+ words) For centuries, the narwhal’s long, ivory-colored tusk was treated as evidence of magic. In medieval Europe, these extraordinary teeth were sold as unicorn horns and were believed to neutralize poison, cure disease, and possess supernatural powers. Modern science has removed…...

12+ hour, 28+ min ago   (671+ words) When the tide recedes from a rocky Mediterranean shore, the mussels clinging to the stones simply close their shells and wait. Inside those shells, oxygen levels plummet, carbon dioxide accumulates, and the entire body shifts into a biochemical holding pattern…...

2+ week, 4+ day ago   (462+ words) 3D vision Bioengineer.org...

13+ hour, 27+ min ago   (94+ words) Insects navigate their world largely through smell, relying on an intricate array of chemosensory proteins to detect everything from host plant volatiles to mating signals. Among these molecular sentinels are ionotropic receptors, or IRs, a family of receptors descended from…...

2+ week, 4+ day ago   (550+ words) A hidden mechanical failure inside the earliest stages of life may help explain why fertility declines so sharply as females enter their mid-30s. A study published in Nature Cell Biology reports that embryos from reproductively aged female mice are not simply…...

2+ week, 1+ day ago   (862+ words) Cells do not become specialized in a single instant. During development, they gradually change their molecular programs, position, shape, polarity and behavior before reaching a mature identity. A study in Molecular Systems Biology highlights a way to follow that process…...

1+ day, 4+ hour ago   (759+ words) For decades, functional magnetic resonance imaging has offered scientists an unmatched window into the human brain, revealing whole-brain networks at work without a single incision. Yet when researchers attempt to bring that same power to bear on the smallest and…...