News
- Physics
Mass has different definitions. The moon’s orbit confirms two are equivalent
Laser measurements of the moon’s orbit square with Newton’s third law of motion and Einstein’s theory of gravity.
- Climate
Last week was the hottest ever recorded — here’s why we keep smashing records
Global temperature records are being shattered as El Niño and climate change combine to push the Earth into uncharted territory, researchers say.
- Astronomy
Coronal rain has been seen splashing on the sun
New images of the solar corona, taken by the Solar Orbiter probe, reveal bright fireball effects and upwelling induced by falling plasma droplets.
- Earth
Wildfires aren’t going away. Here’s how smoke can affect your health
How does repeat exposure to wildfire smoke affect our health? Three experts weigh in on the massive air pollution fueled by Canada’s ongoing fires.
- Climate
Canada’s Crawford Lake could mark the beginning of the Anthropocene
The mud of a Canadian lake holds an extremely precise record of humans’ influence on Earth. But the Anthropocene isn’t an official geologic epoch yet.
- Materials Science
This ‘thermal cloak’ keeps spaces from getting either too hot or cold
A new thermal fabric prototype could help keep cars, buildings and other spaces a comfortable temperature during heat waves while reducing CO₂ emissions.
- Humans
Lauren Schroeder looks beyond natural selection to rethink human evolution
Paleoanthropologists studying the fossil record have long focused on natural selection, but other processes play a big role too.
- Ecosystems
This seagrass is taking over the Chesapeake Bay. That’s good and bad news
Higher water temperatures are wiping out eelgrass in the Chesapeake Bay and weedy widgeongrass is expanding. Here’s why that seagrass change matters.
- Paleontology
This ancient, Lovecraftian apex predator chased and pierced soft prey
Half a billion years ago, Anomalocaris canadensis probably used its bizarre headgear to reach out and snag soft prey with its spiky clutches.
- Chemistry
Tear-resistant rubbery materials could pave the way for tougher tires
Adding easy-to-break molecular connectors surprisingly makes materials harder to tear and could one day reduce microplastic pollution from car tires.
- Physics
Electrons are extremely round, a new measurement confirms
The near-perfect roundness deepens the mystery behind how the universe came to be filled with matter as opposed to antimatter.
- Life
Rats sense the wind with antennae-like whiskers above their eyes
Long, thin whiskers above rats’ eyes appear to sense faint air movement, which may be helpful for detecting moving threats in dark, narrow corridors.
