Life
We summarize the week's scientific breakthroughs every Thursday.
- Animals
‘Spying on Whales’ dives into the story of true leviathans
"Spying on Whales" retraces the evolution of cetaceans, explaining how they came to be some of Earth’s largest creatures.
- Animals
This 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.
- Life
Leprosy lurks in armadillos in Brazil’s Amazon
Armadillos in the Brazilian Amazon are often infected with leprosy, which they may pass to people.
- Animals
Why 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.
- Neuroscience
A 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.
- Genetics
Readers ponder geothermal power and more
Readers respond to stories from the May 26, 2018 issue of Science News.
- Climate
Why won’t this debate about an ancient cold snap die?
Critics are still unconvinced that a comet caused a mysterious cold snap 12,800 years ago.
- Life
Zika gets the most extreme close-up of any flavivirus
The closest look yet at Zika virus may reveal some vulnerabilities.
- Neuroscience
Watch the brain jiggle with each heartbeat
A new twist on MRI can reveal how the brain wiggles.
- Neuroscience
How domestication changed rabbits’ brains
The fear centers of the brain were altered as humans tamed rabbits.
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- Health & Medicine
New studies add evidence to a possible link between Alzheimer’s and herpesvirus
Researchers saw higher levels of herpesvirus in the brains of Alzheimer’s patients, which may contribute to plaque formation.
