News
- Animals
In the animal kingdom, what does it mean to be promiscuous?
A review of hundreds of scientific studies finds that the label “promiscuous” is applied to a surprisingly wide range of mating behaviors in animals.
By Betsy Mason - Health & Medicine
The first gene-silencing drug wins FDA approval
The FDA just approved the first drug that works via RNA interference.
- Astronomy
A faint glow found between galaxies could be a beacon for dark matter
Intracluster light may help reveal where dark matter resides within galaxy clusters.
- Health & Medicine
Pregnant women’s use of opioids is on the rise
The rate of opioid use during pregnancy more than quadrupled in 28 U.S. states, prompting physicians to call for increased screening.
- Animals
A ghost gene leaves ocean mammals vulnerable to some pesticides
Manatees, dolphins and other warm-blooded marine animals can't break down organophosphates due to genetic mutations that occurred long ago.
- Health & Medicine
A newly approved drug could be a boon for treating malaria
Tafenoquine could help prevent the recurring form of malaria, but the drug may also be dangerous for people who have a certain genetic mutation.
- Astronomy
New Horizons may have seen a glow at the solar system’s edge
New Horizons may have seen a hydrogen wall just past the edge of the solar system, where the solar wind meets the stuff of interstellar space.
- Genetics
Researchers say CRISPR edits to a human embryo worked. But critics still doubt it
Researchers say that they have confirmed CRISPR/Cas9 edits of a heart disease–causing version of a gene, but critics still have doubts.
- Archaeology
The debate over people’s pathway into the Americas heats up
Defenders of an ice-free inland passage for early Americans make their case.
By Bruce Bower - Earth
Global dimming may mitigate warming, but could hurt crop yields
Injecting a veil of tiny particles into the atmosphere might reduce global warming, but it could also lower crop yields.
- Life
Nasty stomach viruses can travel in packs
Contained clusters of rotavirus and norovirus caused more severe infections in mice than the same viruses working solo.
- Health & Medicine
Zika may harm nearly 1 in 7 babies exposed to the virus in the womb
A new CDC report tallies neurological and developmental problems, in addition to birth defects, possibly due to Zika in U.S. territory–born babies.