Uncategorized
- Animals
Female hyenas kill off cubs in their own clans
Along with starvation and mauling by lions, infanticide leads as a cause of hyena cub death. Such killings may serve to enforce the social order.
- Health & Medicine
A man in Hong Kong is the first confirmed case of coronavirus reinfection
During a 33-year-old man’s first round with the virus, he had symptoms, but not the second time — a hint his immune system protected him from disease.
- Quantum Physics
A measurement of positronium’s energy levels confounds scientists
A gap in the energy levels of positronium seems to be substantially larger than predicted, and physicists don’t know why.
- Health & Medicine
New treatments aim to treat COVID-19 early, before it gets serious
Some new drugs that may stop the coronavirus from getting into cells, or from reproducing itself, may treat the illness as soon as it’s diagnosed.
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When science doesn’t yet have the answers
Editor in chief Nancy Shute writes about going back to school in the midst of a pandemic.
- Animals
Genetically modified mosquitoes have been OK’d for a first U.S. test flight
After a decade of heated debate, free-flying swarms aimed at shrinking dengue-carrying mosquito populations gets a nod for 2021 in the Florida Keys.
- Astronomy
Check out the first-ever map of the solar corona’s magnetic field
Solar physicists watched waves in the sun’s corona to map the whole corona’s magnetic field. Future observers could use the same technique to predict solar eruptions.
- Science & Society
The board game Endangered shows just how hard conservation can be
The new board game Endangered shows how working together is the only way for conservation to succeed.
- Paleontology
This ichthyosaur died after devouring a creature nearly as long as itself
Ichthyosaurs, marine reptiles generally thought to munch on soft prey like cephalopods, may have chowed down on fellow big marine reptiles, too.
- Archaeology
X-rays reveal what ancient animal mummies keep under wraps
A new method of 3-D scanning mummified animals reveals life and death details for a snake, a bird and a cat.
- Earth
50 years ago, scientists clocked the speed of Antarctic ice
Today’s instruments offer a more precise view, and reveal the effects of climate change.
