Uncategorized
- Life
Gene-edited stem cells help geckos regrow more perfect tails
Regenerated gecko tails are a far cry from perfect. Now experiments have coaxed geckos to regrow better ones with nerve tissue and bonelike cartilage.
-
Looking back on science can refocus our attention
Special projects editor Elizabeth Quill shares her thoughts on how the history of science can help us sharpen our focus on its future.
-
- Health & Medicine
What parents need to know about Pfizer’s COVID-19 vaccine for kids ages 5 to 11
Federal health officials authorized the Pfizer vaccine for this age group on October 29.
- Math
An elusive equation describing bird eggs of all shapes has been found at last
A new mathematical equation describes bird eggs of all shapes found in nature, and it could have applications in food and agricultural research.
- Psychology
Scientists should report results with intellectual humility. Here’s how
Foregrounding a study’s uncertainties and limitations could help restore faith in the social sciences.
- Planetary Science
What the Perseverance rover’s quiet landing reveals about meteor strikes on Mars
InSight tried to detect seismic waves created by the arrival of its sister mission, helping scientists uncover how Mars absorbs energy from impacts.
- Animals
Assassin bugs tap spiders to distract them before a lethal strike
Some assassin bugs stroke their antennae on spiders when within striking distance, possibly imitating touches that spiders experience near their kin.
- Health & Medicine
The antidepressant fluvoxamine can keep COVID-19 patients out of the hospital
A 10-day course of fluvoxamine sharply reduced hospital visits and deaths, raising hopes for an easy at-home treatment for COVID-19.
- Particle Physics
Doubt cast on theorized ‘sterile’ particles leaves a neutrino mystery unsolved
MicroBooNE weakens the case for sterile neutrinos, but the mystery that shrouded earlier neutrino experiments remains.
- Humans
Ancient human visitors complicate the Falkland Islands wolf’s origin story
Scientists have debated how the Falkland Islands’ only land mammal journeyed to the region: by a long-ago land bridge or with people.
- Health & Medicine
Epidemics have happened before and they’ll happen again. What will we remember?
A century’s worth of science has helped us fend off infectious pathogens. But we have a lot to learn from the people who lived and died during epidemics.
