Uncategorized
- Climate
195 nations approve historic climate accord
The Paris climate talks end with delegates from 195 nations releasing a hard-fought agreement to curb climate change and limit warming to 2 degrees Celsius.
- Cosmology
Debate grows over whether X-rays are a sign of dark matter
The dwarf galaxy Draco, which is chock-full of dark matter, doesn’t emit a band of X-rays that researchers hoped were produced by the mysterious invisible stuff.
- Life
To push through goo, use itty, bitty propellers
Newly designed micropropellers mimic bacteria to move through viscous surroundings.
- Planetary Science
It’s a new planet! It’s an unknown star! It’s — oops!
A couple of unexpected wandering points of light in the sky could be new planets or even a dim star orbiting the sun, but researchers have plenty of reasons to be skeptical.
- Earth
Gooey rock in mantle thickens 1,000 kilometers down
Gravitational tugs provide an unprecedented peek into the structure of Earth’s mantle and reveal a sudden increase in viscosity roughly 1,000 kilometers below ground.
- Chemistry
Elusive chemical reaction transition state captured
A new method provides a detailed look at the elusive transition state.
- Neuroscience
Brain shapes come from mom and dad
By linking genes to brain shapes, scientists have a new way to study how the brain works.
- Archaeology
6,000-year-old skeletons in French pit came from victims of violence
Human bones in a French pit recall lethal conflicts and limb lopping 6,000 years ago.
- Animals
Playful pups conceived via in vitro fertilization for the first time
Scientists have solved the mystery of how to perform in vitro fertilization in dogs, which could help rid canines of heritable diseases.
- Planetary Science
Salty source of Ceres’ mysterious bright spots found
Bright spots on Ceres contain salts from a possible subsurface layer of ice while ammonia-rich minerals hint at building blocks incorporated from the far outer solar system.
- Genetics
Liberia’s Ebola outbreak largely traced to one source
Ebola’s spread and evolution in Liberia echoes patterns seen in Sierra Leone.
- Neuroscience
Eyes hard at work can make ears go temporarily deaf
When challenged with a tough visual task, people are less likely to perceive a tone, suggesting that perceptual overload can jump between senses.
