Uncategorized
- Health & Medicine
Can fabric masks stem the coronavirus’ spread?
It’s unclear whether homemade masks made from fabric will prevent an infected person from spreading the virus to others, experts say.
- Paleontology
Two primate lineages crossed the Atlantic millions of years ago
Peruvian primate fossils point to a second ocean crossing by a now-extinct group roughly 35 million to 32 million years ago.
By Bruce Bower - Physics
Collisions reveal new evidence of ‘anyon’ quasiparticles’ existence
Scientists report evidence that a class of particle called an anyon appears in two-dimensional materials.
- Health & Medicine
Warm weather probably won’t slow COVID-19 transmission much
While some evidence has suggested higher temperatures can affect coronavirus transmission, summer’s arrival probably won’t curb the pandemic much.
- Archaeology
This is the oldest known string. It was made by a Neandertal
A cord fragment found clinging to a Neandertal’s stone tool is evidence that our close evolutionary relatives were string makers, too, scientists say.
By Bruce Bower - Animals
Hitchhiking oxpeckers warn endangered rhinos when people are nearby
Red-billed oxpeckers do more than just eat parasites from rhinos’ backs. The birds can alert the hunted mammals to potential danger, a study finds.
- Space
New search methods are ramping up the hunt for alien intelligence
Six decades of radio silence hasn’t stopped scientists searching for intelligent life beyond Earth. In fact, new technologies are boosting efforts.
- Space
‘Alien Oceans’ argues the search for E.T. should include the outer solar system
In Alien Oceans, a NASA scientist explores the evidence that ice-covered moons host hidden oceans, where life could evolve and thrive.
By Sid Perkins - Environment
A year long expedition spotlights night life in the Arctic winter
Scientists anchored to an ice floe near the North Pole are investigating how life survives polar night and what changes will occur as the Arctic continues to warm.
By Shannon Hall - Climate
The largest Arctic ozone hole ever measured is hovering over the North Pole
A strong polar vortex in early 2020 led to what may be a record-breaking hole in the ozone layer over the Arctic.
- Life
The Great Barrier Reef is suffering its most widespread bleaching ever recorded
Major bleaching events are recurring with increasing frequency on the Great Barrier Reef, hindering its recovery.
- Space
Red giant stars that eat planets might shine less brightly
Some stars may shine less brightly after ingesting a planet. That finding, if confirmed, could have implications for calculating cosmic distances.