All Stories
- Life
Placenta protectors no match for toxic Strep B pigment
Strep B uses a toxic pigment made of fat to kill immune system cells, spurring preterm labor and dangerous infections, a monkey study shows.
- Health & Medicine
Baby-led weaning is safe, if done right
Babies who fed themselves solid foods, called baby-led weaning, were no more likely to choke than spoon-fed babies, a new study finds.
- Computing
AI system learns like a human, stores info like a computer
A new artificial neural network hooked up to extra memory can learn to solve complex problems.
- Computing
AI system learns like a human, stores info like a computer
A new artificial neural network hooked up to extra memory can learn to solve complex problems.
- Astronomy
Cosmic census of galaxies updated to 2 trillion
A new census of the cosmos suggests that there might be 2 trillion galaxies in the observable universe, about 10 times as many as previous estimates.
- Psychology
Erasing stigma needed in mental health care
Social forces drive those in need away from mental health care.
By Bruce Bower - Life
One-celled life possessed tools for going multicellular
Unicellular ancestors of animals had molecular tools used by multicellular life.
- Genetics
How gene editing is changing what a lab animal looks like
What makes a good animal model? New techniques bring opportunities and challenges to model organisms.
- Animals
Hot and spicy pain signals get blocked in naked mole-rats
Naked mole-rats have a protein that interrupts pain signal.
- Animals
Hot and spicy pain signals get blocked in naked mole-rats
Naked mole-rats have a protein that interrupts pain signal.
- Life
Ocean archaea more vulnerable to deep-sea viruses than bacteria
Deep-sea viruses kill archaea disproportionately more often than bacteria, a killing spree with important impacts on the global carbon cycle.
- Paleontology
Birds’ honks filled Late Cretaceous air
Oldest avian voice box fossil yet discovered belonged to a ducklike bird that lived during the age of the dinosaurs.
By Meghan Rosen