Uncategorized
- Genetics
Neandertal legacy written in Europeans’ fat metabolism
DNA inherited from Neandertal interbreeding may have helped people adjust to Europe’s environment.
- Animals
Zebra stripes may be mainly defense against flies
The function of zebra stripes may not be for camouflage or cooling, a new analysis finds.
- Earth
Evolution of river systems
A river’s erosion downward and across a landscape is based on a variety of factors, including terrain steepness and the arrangement of tributaries.
- Psychology
Twenty-two emotions are written on our faces
People’s faces express at least 22 feelings – far more than the six emotions scientists previously recognized.
- Health & Medicine
Daylight saving time linked to heart attacks
Hospital admissions for heart attacks increases after daylight savings time starts, a study suggests.
- Tech
Mindless: Why Smarter Machines are Making Dumber Humans
Simon Head argues that computer business systems leave middle managers and workers with little creative latitude. They acquire fewer skills and their wages stagnate, hurting their job quality and buying power.
- Neuroscience
Ha! The Science of When We Laugh and Why
Scott Weems, a neuroscientist, takes readers on a wide-ranging tour that explains what humor is and why readers should care.
- Astronomy
This winter warrior made the gravitational waves discovery possible
Engineer Steffen Richter played an important role in the recent gravitational waves discovery, wintering at the Amundsen-Scott research station at the South Pole and making daily treks to keep the BICEP2 telescope running.
- Materials Science
Light filter lets rays through from only one direction
Angle-sensitive light filter could improve photography, telescopes and solar energy harvesting.
- Neuroscience
Ten thousand neurons linked to behaviors in fly
By studying the wiggles of 37,780 fly larvae, scientists link specific neurons to 29 distinct behaviors.
- Life
First chromosome made synthetically from yeast
Work with yeast marks the first time scientists have synthesized a chromosome from organisms with complex cells and represents a major step toward lab-created eukaryotic life.
- Humans
Childhood program improves health 30 years later
A preschool intervention for kids from poor families benefits their health as adults, especially among men.
