Uncategorized
- Animals
This lizard can tolerate extreme levels of lead
Cuban brown anoles have the highest blood lead levels of any vertebrate known — three times that of the previous record holder, the Nile crocodile.
- Planetary Science
A Mars rock analysis tool proved its mettle on a chance find from Arizona
On Mars, the Perseverance rover found a spotted rock that could bear signs of ancient life. On Earth, a researcher used a lookalike for a dry run.
- Health & Medicine
A cold today helps keep the COVID away
A recent cold appears to be a defense against COVID-19 and a partial explanation for kids’ tendency toward milder coronavirus infections.
- Health & Medicine
A bioengineered protein may someday treat carbon monoxide poisoning
Mice treated with the protein, which is found in bacteria, quickly eliminated carbon monoxide from their body in their pee.
- Astronomy
A newborn planet munches on gas and dust surrounding its host star
In a first, astronomers imaged a baby planet within a gap in the disk of material around a star, confirming predictions about how rings form.
- Environment
River turbulence can push toxic pollutants into the air
Levels of hydrogen sulfide gas soared near a raging section of the Tijuana River in San Diego, exposing residents to potentially harmful air pollution.
- Life
Horses may have become rideable with the help of a genetic mutation
To make horses rideable during domestication, people may have inadvertently targeted a mutation in horses to strengthen their backs and their balance.
- Earth
20 years after Hurricane Katrina, is the U.S. better prepared?
Hurricane forecasts have improved since Katrina, but risks from climate change and budget cuts loom.
- Health & Medicine
A new antiviral blocks 6 deadly viruses in mice but faces a long road ahead
Scientists report that targeting sugars on virus surfaces stopped multiple infections, though the approach needs much refinement before human trials.
- Microbes
What makes chocolate taste so good? It’s the microbes
Beans matter, but microbes may be the real secret to fine chocolate flavor. Scientists are building starter cultures that may improve quality.
- Earth
Useful metals get unearthed in U.S. mines, then they’re tossed
Recovering these metals from mining by-products destined for waste sites could offset the need to import them from elsewhere or open new mines.
- Health & Medicine
Elderly cats with dementia may hold clues for Alzheimer’s
Immune cells in aging cat brains with amyloid beta destroy nerve endings, mimicking the progression of Alzheimer’s disease in humans.
