Uncategorized
- Earth
How deadly, fast-moving flows of volcanic rock and gas cheat friction
Mixtures of hot volcanic rock and gas called pyroclastic flows travel so far by gliding on air, a new study suggests.
- Math
Mathematicians may have found the fastest way to multiply huge numbers
A new theoretical method for multiplying enormous figures appears to achieve a speed first predicted decades ago.
- Science & Society
The delight of discovering an asteroid that spits
Editor in Chief Nancy Shute discusses recent news about the asteroid Bennu and Kuiper Belt–object Ultima Thule.
- Health & Medicine
Readers seek answers to stories about shingles, Neandertal spears and more
Readers had questions about Neandertal spears, Earth’s inner core and more.
- Genetics
Here are 5 RNAs that are stepping out of DNA’s shadow
RNAs do a lot more than act as middlemen for protein building. Here are a few of the ways they affect your health and disease.
- Paleontology
Peruvian fossils yield a four-legged otterlike whale with hooves
A newly discovered species of ancient whale unearthed in Peru split time between land and sea.
- Planetary Science
Hayabusa2 has blasted the surface of asteroid Ryugu to make a crater
Japan’s Hayabusa2 spacecraft shot a projectile at Ryugu. Next: collecting asteroid dust from the probable impact crater left behind.
- Health & Medicine
Testing mosquito pee could help track the spread of diseases
A new way to monitor the viruses that wild mosquitoes are spreading passes its first outdoor test.
- Life
50 years ago, scientists were unlocking the secrets of bacteria-infecting viruses
In 1969, a bacteria-infecting virus held promise for unlocking the secrets of viral replication. Fifty years later, the virus is a versatile tool for scientists.
- Life
How emus and ostriches lost the ability to fly
Changes in regulatory DNA, rather than mutations to genes themselves, grounded some birds, a study finds.
- Astronomy
This planetary remnant somehow survived the death of its sun
A small, sturdy piece of planet survived the collapse of its sun and now orbits the dead star.
- Animals
Cats recognize their own names
A new study suggests that cats can tell their names apart from other spoken words.
