Uncategorized
- Health & Medicine
50 years ago, enzyme injections showed promise for treating a rare disease
Enzyme replacement can offer relief to people with rare diseases. Now, scientists have found a way to treat one disease before a person is even born.
- Space
Salty water may have flowed near Mars’ equator as recently as 400,000 years ago
Crusts and cracks on Martian sand dunes are a sign salty water flowed near the equator thousands, not billions, of years ago — and may still exist.
- Health & Medicine
WHO declares an end to the global COVID-19 public health emergency
Global COVID-19 deaths are down and immunity is up. But with the virus here to stay, it’s time to shift to more long-term health measures.
- Astronomy
A streak of light may not be a black hole fleeing its galaxy after all
A suspicious trail of starlight may just be a spiral galaxy seen edge on, not stars that formed in the wake of a runaway supermassive black hole.
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New discoveries are bringing the world of pterosaurs to life
The latest clues hint at where pterosaurs — the first vertebrates to fly — came from, how they evolved, what they ate and more.
- Life
Swarming locusts can deploy a chemical to avoid being cannibalized
Releasing a “don’t-eat-me” pheromone signals a locust has become a toxic treat. The finding could lead to new ways to control destructive swarms.
- Health & Medicine
The U.S. COVID-19 public health emergency is ending. What does that mean?
The declaration, made early in the pandemic, made tests, vaccines and treatments free to all. On May 11, the proclamation ends.
- Health & Medicine
Women who’ve had breast cancer can safely pause treatment for pregnancy
Hormone therapy cannot be taken during pregnancy. A new study is reassuring for women who’ve had breast cancer and want to try for a baby.
- Health & Medicine
The FDA has approved the first-ever vaccine for RSV
GSK’s shot, for those 60 and over, can protect against severe respiratory syncytial virus. Other vaccines, including to protect newborns, are in the works.
- Astronomy
For the first time, astrophysicists have caught a star eating a planet
A burst of light and a cloud of dust are signs that a star 12,000 light-years away swallowed a planet up to 10 times the mass of Jupiter.
- Archaeology
Ancient human DNA was extracted from a 20,000-year-old deer tooth pendant
Insights into Stone Age people’s lives may soon come from a new, nondestructive DNA extraction method.
- Animals
A 2,200-year-old poop time capsule reveals secrets of the Andean condor
Guano that has accumulated in a cliffside Andean condor nest for 2,200 years reveals how the now-vulnerable birds responded to a changing environment.
