Uncategorized
- Space
Hope for life on Venus survives for centuries against all odds
Early scientists often assumed that Venus, though hotter than Earth, hosted life.
- Health & Medicine
A Brazilian city devastated by COVID-19 may have reached herd immunity
Up to half of Manaus was infected at the epidemic’s peak, which slowed further spread of the virus but also led to many deaths, scientists say.
- Life
Life on Earth may have begun in hostile hot springs
What researchers learn at hot springs and seafloor vents may guide the search for life on icy moons and Mars.
- Animals
A beaked whale’s nearly four-hour-long dive sets a new record
The animals may rely on large stores of oxygen, a slow metabolism and the ability to tolerate lactic acid to go for hours without surfacing for air.
- Climate
Global warming may lead to practically irreversible Antarctic melting
Simulations suggest that even if the Paris climate goals are met, melting Antarctica ice will still cause sea levels to rise by more than 2 meters.
- Neuroscience
A mother mouse’s gut microbes help wire her pup’s brain
The pups of mice lacking gut microbes, and the compounds they make, have altered nerve cells in part of the brain and a lowered sensitivity to touch.
- Space
EHT data show turbulence makes the glowing ring around M87’s black hole wobble
Event Horizon Telescope data spanning nearly a decade reveal that the appearance of the supermassive black hole inside galaxy M87 changes over time.
- Health & Medicine
Early immune responses may be why younger people get less sick from COVID-19
Age-related differences in coronavirus immune defenses hint that a boost in early immune responses from drugs or a vaccine could help protect people.
- Health & Medicine
Antibodies made in the lab show some promise for treating COVID-19
Preliminary results from two companies hint that the proteins can help COVID-19 patients from needing hospitalization or ventilation.
- Space
Stellar winds hint at how planetary nebulae get their stunning shapes
Observations of red giant stars reveal that planets or even other stars may influence the shape of a nebula’s cloud of dust and gas.
- Planetary Science
Rosetta data reveal an invisible ultraviolet aurora around comet 67P
Solar wind electrons smash water molecules in the comet’s coma to make the 67P/Churyumov-Gerasimenko’s version of the northern lights.
- Animals
A tiny crustacean fossil contains roughly 100-million-year-old giant sperm
Giant sperm preserved in an ancient ostracod may be the oldest known sperm fossil, showing that giant sperm have existed at least 100 million years.
