Uncategorized
- Ecosystems
Earth’s dry zones support a surprising number of trees
A Google Earth-based estimate of dryland forests adds serious leafage to Earth’s total tree count.
- Chemistry
Every breath you take contains a molecule of history
In 'Caesar’s Last Breath', best-selling author Sam Kean tells vivid stories about the gases we can’t see.
- Animals
This glass frog wears its heart for all to see
A newly discovered glass frog species has skin so clear that it reveals most of the animal’s internal organs, including the heart.
- Life
Scientists spy on the secret inner life of bacteria
New images reveal the inner workings of bacteria.
- Life
Flight demands may have steered the evolution of bird egg shape
An analysis of nearly 50,000 bird eggs finds a link between a species’ egg shape and flight ability.
- Health & Medicine
Bones make hormones that communicate with the brain and other organs
Bones send out hormone signals that chat with other parts of the body, studies in mice show. What influence these hormones have in people, though, remain a mystery.
- Health & Medicine
Protein in Parkinson’s provokes the immune system
The immune system recognizes parts of a protein linked to Parkinson’s disease as foreign, triggering an autoimmune response.
- Health & Medicine
A baby’s DNA may kick off mom’s preeclampsia
A large genetic analysis points to a protein made by the fetus that may trigger preeclampsia in the mom.
- Physics
Here’s why your wheelie suitcase wobbles
Physicists explain why roller suitcases rock back and forth as you dash through the terminal.
- Environment
New material could filter water contaminants that others miss
A new polymer offers a better way to pull fluorine-containing pollutants out of drinking water.
- Astronomy
Kepler shows small exoplanets are either super-Earths or mini-Neptunes
The final catalog from the Kepler space telescope splits Earthlike exoplanets into two groups and pinpoints 10 new rocky planets in the habitable zone.
- Genetics
DNA reveals how cats achieved world domination
Analysis of 9,000 years of cat remains suggests two waves of migration
