Uncategorized
- Anthropology
Humans may have started tending animals almost 13,000 years ago
Remnants from an ancient fire pit in Syria suggest that hunter-gatherers were burning dung as fuel by the end of the Old Stone Age.
- Physics
Falling objects in orbit show Einstein was right — again
For more than two years, a pair of metal cylinders fell at the same rate in space, confirming the equivalence principle, a key tenet of general relativity.
- Climate
How Kenyans help themselves and the planet by saving mangrove trees
Communities in Kenya took action to restore their coastal mangrove forests, reaping economic and environmental benefits. Others are following suit.
- Life
Not all camouflage is equal. Here are prey animals’ best options
When prey masquerade as innocuous objects in the environment, they slow detection from predators by nearly 300 percent.
- Particle Physics
50 years ago, physicists got a whiff of what glues together protons
In 1972, particle smashups hinted at the gluon, which we now know not only holds together the innards of the proton, but also makes up more than a third of its mass.
- Planetary Science
Passing through the Milky Way’s arms may have helped form Earth’s solid ground
Barrages of comets stirred up by the early solar system’s journey around the center of the galaxy could explain the timing of ancient rock formation.
- Animals
Need to keep cockatoos out of your trash? Try bricks, sticks or shoes
In Sydney, humans may be in an escalating arms race with cockatoos. People are trying new tools to keep the pesky parrots out of their trash.
- Health & Medicine
How living in a pandemic distorts our sense of time
The pandemic has distorted people’s perception of time. That could have implications for collective well-being.
- Genetics
Can’t comb your kid’s hair? This gene may be to blame
Scientists linked variants of one hair shaft gene to most of the uncombable hair syndrome cases they tested.
- Chemistry
Why once-gold ceilings in Spain’s Alhambra palace have purple stains
Moisture infiltrated flawed gilding at the iconic palace, leading to corrosion that deposited gold nanoparticles of the right size to appear purple.
- Climate
How to make recyclable plastics out of CO2 to slow climate change
Companies are turning atmospheric CO2 from smokestacks and landfills into plastics to shrink their carbon footprint.
- Climate
A carbon footprint life cycle assessment can cut down on greenwashing
As companies try to reduce their carbon footprint, many are doing life cycle assessments to quantify the full carbon cost of their products.
