Health & Medicine
Brains don’t all act their age
A slew of new research attempts to zero in on what happens as our brains get older — and what can bring about those changes early.
Life
We summarize the week's scientific breakthroughs every Thursday.
More Stories in Life
- Humans
Want to avoid mosquito bites? Step away from the beer
A Dutch music festival turned into a mosquito lab, revealing how beer, weed, sleep and sunscreen affect your bite appeal.
- Animals
Octopus arms are adaptable but some are favored for particular jobs
Octopuses are ambidextrous, a new study finds, but they favor their front arms for investigating surroundings and their back arms for locomotion.
- Paleontology
Crystallized dino eggs provide a peek into the tumultuous Late Cretaceous
Definitively dating the age of a clutch of fossil dinosaur eggs at a famous site in China may let scientists link eggshell features to environmental shifts at the time.
- Health & Medicine
The brain preserves maps of missing hands for years
Countering the idea of large-scale rewiring, women whose hands were removed retained durable brain activity patterns linked to their missing fingers.
- Neuroscience
Your red is my red, at least to our brains
Despite philosophical debates, colors like red may spark similar brain activity across individuals, new research suggests.
- Animals
Just like humans, many animals get more aggressive in the heat
From salamanders to monkeys, many species get more violent at warmer temperatures — a trend that may shape their social structures as the world warms.
- Paleontology
Young pterosaurs probably died in violent Jurassic storms
Two hatchling pterosaurs with fractured arm bones point to ancient storms as the cause of mass casualties preserved in Germany’s Solnhofen Limestone.
- Animals
Tiny thumbnails may be key for rodents’ global takeover
Thumbnails might have boosted rodents’ food-handling skills, helping them thrive worldwide.
- Life
A sixth mass extinction? Not so fast, some scientists say
A new analysis suggests that recent extinctions have been rare, limited mostly to islands and slowing. But others argue this is all just semantics.
