News
-
Quantum PhysicsA 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 & MedicineNew 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.
-
AnimalsGenetically 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.
By Susan Milius -
AstronomyCheck 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.
-
PaleontologyThis 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.
-
ArchaeologyX-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.
-
HumansAncient sculptures hint at universal facial expressions across cultures
Interpreting the emotions carved onto sculptures from long ago offers a new way to study how humans perceive facial expressions.
By Bruce Bower -
TechMethanol fuel gives this tiny beetle bot the freedom to roam
A new robot insect uses energy-dense methanol as fuel, not batteries. It could be a blueprint for future search-and-rescue bots with long run times.
By Carmen Drahl -
AnimalsCulling dingoes with poison may be making them bigger
Meat laced with toxic powder has been used for decades to kill dingoes. Now, dingoes in baited areas are changing: They’re getting bigger.
By Jake Buehler -
Health & MedicineDust can spread influenza among guinea pigs, raising coronavirus questions
In three out of 12 guinea pig pairs, an animal coated in influenza virus, but immune to infection, spread the virus to another rodent through dust.
-
AstronomyIn a first, astronomers spotted a space rock turning into a comet
Scientists have caught a space rock in the act of shifting from a Kuiper Belt object to a comet. That process won’t be complete until 2063.
-
EarthDeath Valley hits 130° F, the hottest recorded temperature on Earth since 1931
Amid a heat wave in the western United States, California’s Death Valley is back in the record books with the third hottest temperature ever recorded.