Uncategorized
- Science & Society
50 years ago, scientists predicted steady U.S. population growth
The country’s annual population growth rate, mostly stable since the 1970s, is now the lowest it’s been in over a century.
- Animals
Newly recognized tricks help elephants suck up huge amounts of water
New ultrasound imaging reveals what goes on inside a pachyderm’s trunk while feeding. It can snort water at the rate of 24 shower heads.
- Planetary Science
NASA will be heading back to Venus for the first time in decades
Two newly selected missions, VERITAS and DAVINCI+, will explore the history of the planet's water and habitability.
- Health & Medicine
After vaccinating 95 percent of adults, a Brazilian city is returning to normal
An experiment to vaccinate all adults against COVID-19 in Serrana shows that widespread immunization drastically cuts hospitalizations and deaths.
- Health & Medicine
A repurposed TB vaccine shows early promise against diseases like diabetes and MS
The potentially helpful effect of the BCG vaccine on type 1 diabetes and other autoimmune diseases is beginning to make sense.
- Life
Even hard-to-kill tardigrades can’t always survive being shot out of a gun
A recent experiment put tardigrades’ indestructibility to the test by firing the critters at speeds up to 1,000 meters per second.
- Health & Medicine
Vaccinating people in developing countries costs far less than doing nothing
Shots for half the adults in those countries will cost $9.3 billion, the Rockefeller Foundation reports. Doing nothing could cost trillions.
- Astronomy
Some fast radio bursts come from the spiral arms of other galaxies
Tracking five brief, bright blasts of cosmic radio waves to their origins suggests their sources form quickly in regions with lots of star formation.
- Health & Medicine
Here’s what we know about the risks of serious side effects from COVID-19 vaccines
Allergic reactions, blood clots and possibly heart problems are rare and their risks don’t outweigh the benefits of getting vaccinated, experts say.
- Animals
The teeth of ‘wandering meatloaf’ contain a rare mineral found only in rocks
The hard, magnetic teeth of the world’s largest chiton contain nanoparticles of santabarbaraite, a mineral never seen before in biology.
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