Uncategorized
- Animals
50 years ago, scientists made the case for a landlubbing Brontosaurus
In 1971, a scientist argued for a landbound Brontosaurus instead of a swampy swimmer. Recent evidence comes from studies of its ancient environment.
- Genetics
Lizard-like tuatara carry two distinct mitochondrial genomes
Having two mitochondrial genetic instruction books, a first for vertebrates, may help explain tuatara’s unique ability to tolerate cold temperatures.
- Health & Medicine
Novavax’s COVID-19 vaccine is effective, but less so with some variants
Novavax’s vaccine fends off the original coronavirus and a U.K. variant, but had more trouble with a South Africa variant.
- Animals
Naked mole-rat colonies speak with unique dialects
Machine learning reveals that these social rodents communicate with distinctive speech patterns that are culturally inherited.
- Anthropology
Humanlike thumb dexterity may date back as far as 2 million years ago
A computer analysis suggests early Homo species developed a powerful grip, giving them an evolutionary edge over some other tool-using hominids.
By Bruce Bower - Physics
Diamond holds up at pressures more than five times those in Earth’s core
Even when pummeled with lasers, diamond retains its structure, which could reveal how carbon behaves in the cores of some exoplanets.
- Chemistry
Chemists are reimagining recycling to keep plastics out of landfills
Recycling plastics is really hard, and usually creates low-quality materials that aren’t good for much. Chemists are trying to change that.
- Health & Medicine
How coronavirus variants may pose challenges for COVID-19 vaccines
Some coronavirus mutations may make vaccines less effective, but the immune system is multifaceted and vaccines can be updated.
- Physics
‘Fundamentals’ shows how reality is built from a few basic ingredients
In ‘Fundamentals,’ physics Nobel laureate Frank Wilczek shares essential lessons from physics.
- Math
How one physicist is unraveling the mathematics of knitting
Understanding how knots influence textile properties could lead to bespoke materials.
- Space
Crushed space rocks hint at exoplanets’ early atmospheric makeup
Experiments that heat crushed-up meteorites are helping astronomers understand what to look for in exoplanet atmospheres.
- Tech
A robot arm toting a Venus flytrap can grab delicate objects
By attaching electrodes to the plant’s leaves, researchers found a way to snap its traps shut on command.