Life
- Genetics
DNA from 37,000-year-old human hints at early European history
DNA from a roughly 37,000-year-old Homo sapiens skeleton supports recent findings about when ancient humans and Neandertals interbred.
- Neuroscience
For a friendlier zebra finch, just add stress
Adding stress hormones to the diet of developing zebra finches produced birds that were social butterflies.
- Life
Norovirus grown in lab, with help from bacteria
Norovirus, famous for sickening cruise ship passengers, has finally been grown in human cells in a lab, offering scientists a chance to test new therapies.
- Animals
Bats jam each other in echolocation battles for food
By blaring a special call at just the right instant, Mexican free-tailed bats can ruin each other’s sonar-guided swoops toward prey.
- Psychology
With a tap on the back, researchers create ghostly sensation
Experimentally induced illusion probes supernatural experiences, hallucinations.
- Paleontology
Ancient sea creature took to land and sea
A primitive relative of the ichthyosaur had strong bones and big flippers.
- Health & Medicine
Snakebite test correctly IDs attackers in Nepal
A new test that swabs for traces of snake DNA around bite marks can identify the guilty serpent and may improve treatments.
- Genetics
Genes influence Ebola’s impact
A study in a diverse strain of mice shows how the effect of an Ebola infection can depend on genes.
- Animals
‘Animal Weapons’ examines evolution of natural armor
Biological arms races have led to the evolution of horns, tusks and other extreme armament in the natural world.
- Life
Ebola virus edits its own genetic material
Both the Ebola and Marburg viruses edit their genetic material when infecting cells. The viruses may make proteins currently unknown to scientists.
- Animals
Hermit thrushes, humans share some musical basics
The melodious birds share a humanlike bias for notes mathematically related by simple integers.
- Life
Gut microbes less diverse in humans than in apes
An analysis of gut bacteria shows that humans have evolved to possess less diversity in microbe populations.
