Uncategorized
- Earth
Before ancient Egyptians, nature sculpted sphinxes. Here’s how
Steady winds can carve landforms called yardangs — thought to have inspired the Great Sphinx of Gaza — from featureless blobs, a new study suggests.
- Animals
This bird hasn’t been seen in 38 years. Its song may help track it down
Using bioacoustics, South American scientists are eavesdropping on a forest in hopes of hearing the song of the long-missing purple-winged ground dove.
- Climate
Capturing methane from the air would slow global warming. Can it be done?
Removing methane from the atmosphere requires different technology from removing carbon dioxide. Scientists are taking on the challenge.
- Animals
One mountain in Brazil is home to a surprising number of these parasitic wasps
Darwin wasps were thought to prefer temperate areas. But researchers scoured a mountain in the Brazilian tropics and found nearly a hundred species.
- Life
Some picky Australian mosquitoes may target frog nostrils for blood
The insects seem to sip from nowhere else on frogs’ bodies. Thinner skin or denser blood vessels near the nostrils might explain why.
- Science & Society
Reindeer herders and scientists collaborate to understand Arctic warming
Siberian reindeer herders and scientists are working together to figure out how to predict rain-on-snow events that turn tundra into deadly ice.
-
Under the jungle, a more pluralistic Maya society
Editor in chief Nancy Shute discusses how new scientific discoveries are rewriting the history of Maya society
-
- Astronomy
A rare, extremely energetic cosmic ray has mysterious origins
In 1991, physicists spotted a cosmic ray with so much energy it warranted an ‘OMG.’ Now that energetic particle has a new companion.
- Animals
These bats are the only mammals known to mate more like birds
Male serotine bats have penises too large for penetration. To mate, the animals rub their genitals against each other, somewhat like birds’ cloacal kiss.
- Health & Medicine
A brain-monitoring device may one day take the guesswork out of anesthesia
The automated device pairing brain activity and dosing kept two macaques sedated for 125 minutes, raising hopes of precision anesthesia for people.
- Animals
The first embryos from a mammal have now been grown in space
Mouse embryos in space can develop into clusters of cells called blastocysts. The result is a step toward understanding how human embryos will fare.
