News
- Health & Medicine
Here’s how much coronavirus people infected with COVID-19 may exhale
Just breathing naturally can lead people with COVID-19 to emit dozens of copies of viral RNA a minute and that can persist for eight days, a study finds.
- Animals
These brainless jellyfish use their eyes and bundles of nerves to learn
No brain? No problem for Caribbean box jellyfish. Their seemingly simple nervous systems can learn to avoid obstacles on sight, a study suggests.
- Space
NASA’s OSIRIS-REx has returned bits of the asteroid Bennu to Earth
Asteroid dirt from Bennu could help reveal clues about the material that came together to make the solar system — and possibly where life comes from.
- Health & Medicine
Mouth taping may be a trending sleep hack, but the science behind it is slim
Mouth taping is big on social media, but few studies have evaluated it. Some evidence suggests that sealing the lips shut may help people with sleep apnea.
- Anthropology
Interlocking logs may be evidence of the oldest known wooden structure
Roughly 480,000-year-old wooden find from Zambia suggests early hominids were more skilled at structuring their environments than scientists realized.
- Animals
For the first time, researchers decoded the RNA of an extinct animal
The Tasmanian tiger, or thylacine, was hunted nearly to extinction. Now RNA extracted from a museum specimen reveals how its cells functioned.
- Earth
To form pink diamonds, build and destroy a supercontinent
The Argyle deposit in Australia formed about 1.3 billion years ago, a study shows, along a rift zone that sundered the supercontinent Nuna.
- Health & Medicine
A catalog of all human cells reveals a mathematical pattern
Smaller cells occur in larger numbers in the human body, and cells of different size classes contribute equally to our overall mass.
- Physics
A laser gyroscope measured tiny variations in the lengths of days on Earth
An underground gyroscope known as ‘G’ uses laser beams traveling in opposite directions to precisely measure Earth’s rotation.
- Animals
Some cannibal pirate spiders trick their cousins into ‘walking the plank’
A pirate spider in Costa Rica uses a never-before-seen hunting strategy that exploits the way other spiders build webs.
- Physics
Scientists have two ways to spot gravitational waves. Here are some other ideas
From lasers in space to falling atoms on Earth, researchers are cooking up ways to sense gravitational waves that current methods can’t detect.
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Birds with more complex vocal skills are better problem-solvers
Evidence for a relationship between bird vocal learning and cognitive prowess has been mixed. Now, a massive new study confirms they are linked.
