Life
-
FossilsPredatory dinos were truly big-mouths
Large meat-eating dinosaurs could open their mouths wide to grab big prey. Vegetarians would have had a more limited gape, a new study suggests.
By Sid Perkins -
AnimalsProfile: A human touch for animals
Temple Grandin uses her own autism to understand how animals think. The animal scientist is famous for fostering the humane treatment of livestock.
-
MicrobesFossils show sign of ancient vampire microbes
Scientists have found 750-million-year-old fossils of cells with puncture wounds. This appears to offer evidence that vampirelike creatures sucked them dry.
-
AnimalsTaking attendance with eDNA
Environmental DNA, or eDNA, tells biologists what species are in an area — even when they’re out of sight.
-
AnimalsWildlife forensics turns to eDNA
Environmental DNA, or eDNA, tells biologists what species have been around — even when they’re out of sight or have temporarily moved on.
-
AnimalsKangaroo farts: Not so ‘green’ after all?
Scientists had thought that kangaroo farts were environmentally friendly because they had little methane. That may not always be true.
-
BrainWhen every face is a stranger’s face
Some people can’t recognize faces — any faces, even their mother’s. Scientists are working to understand this ‘face blindness’ and help those who suffer from it.
-
AnimalsGene editing creates buff beagles
Scientists showed that a potentially useful new gene-editing tool can work in dogs. It created a pair of adorable, muscular puppies. But the goal is to use it for other research purposes.
-
EcosystemsTwo SNS writers win big
Here’s a Cool Job: writing about science. Two people who regularly do that for SNS have just picked up awards for stories on the physics of lightning and how nature recycles the dead to feed the living.
By Janet Raloff -
BrainScientists discover itch-busting cells
A study in mice finds the body has a special way of dealing with an itch that’s caused by a light touch. The results could lead to treatments for chronic itch.
-
BrainScientists Say: Neurotransmitters
When brain cells need to communicate, they use chemicals as messengers. These molecules have a special name.
-
ChemistrySlime cities
Biofilms are like tiny cities of bacteria — some harmless, others destructive. Scientists are learning how to keep these microscopic metropolises under control.