Uncategorized
-
AnimalsThis invasive tick can clone itself and suck livestock dry
The newly invasive longhorned tick, now found in four continental U.S. states, spreads human diseases in its native Asia. Here, it’s mostly a threat to livestock — so far.
-
LifeLeprosy lurks in armadillos in Brazil’s Amazon
Armadillos in the Brazilian Amazon are often infected with leprosy, which they may pass to people.
-
EarthEarth’s rivers cover 44 percent more land than we thought
A global survey of rivers and streams based on satellite data suggests that these waterways traverse about 773,000 square kilometers.
-
AnimalsWhy some mammal species don’t have descended testicles, but most do
New research studying genetic vestiges suggests that descended testicles are as ancient as the first placental mammal.
By Angus Chen -
Quantum PhysicsA tiny version of this physics toy is revealing quantum secrets
Scientists created a quantum Newton’s cradle to study thermal equilibrium.
-
Tech50 years ago, a Japanese scientist dreamed up a rocket-propelled train
50 years ago, a Japanese engineer tried rocket boosters on a train. Today, high-speed trains propelled by superconducting magnets are being tested.
-
NeuroscienceA brain chemical tied to narcolepsy may play a role in opioid addiction
Long-term use of opioids such as heroin is linked to having more brain cells that release a chemical that regulates wakefulness and arousal.
-
Planetary ScienceMars got its crust quickly
The Martian crust had solidified within 20 million years of the solar system’s formation.
-
Health & MedicineHow to make CAR-T cell therapies for cancer safer and more effective
CAR-T cell therapy was approved by the FDA in late 2017. Now, scientists are working to tame the cancer treatment’s side effects.
-
GeneticsReaders ponder geothermal power and more
Readers respond to stories from the May 26, 2018 issue of Science News.
-
Health & MedicineMedical breakthroughs come with a human cost
Editor in Chief Nancy Shute muses on the risks many medical advances pose in their infancy.
By Nancy Shute -
Health & MedicinePoliovirus treatment helped patients with deadly brain tumors live longer
A genetically modified poliovirus appears to help fight brain cancer, a small, early-stage clinical study suggests.