Life
We summarize the week's scientific breakthroughs every Thursday.
- 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.
- Animals
Dog disease threatens Siberian tigers
Canine distemper virus poses a particular danger to small groups of the big cats.
- Life
Hummingbirds take stab at rivals with dagger-tipped bills
Sharp points on the bills of male long-billed hermit hummingbirds may have evolved as weaponry.
- Animals
Remote-controlled rover doesn’t spook penguins
Remote-controlled rovers get close to skittish penguins without bothering them; a chick disguise wins over the wariest birds.
- Climate
Melting ice forces walrus detour
Warming temperatures and shrinking summer ice cover have forced the animals to seek solid ground during feeding season.
- Neuroscience
A species of invention
From early humans painting on cave walls to modern-day engineers devising ways to help people move better, the drive to innovate is simply part of who humans are.
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- Neuroscience
At-home brain stimulation gaining followers
People are building at-home electric brain stimulators in hopes of becoming better gamers, problem solvers, and even to beat back depression.
