8. Why cotton masks work
Scientists from NIST found that humidity caused by breath makes cotton face masks better at filtering Covid-19 without making it harder to breathe.
New York City continued its phase four reopening plan one year after its first reported case of Covid-19.
6. Perseverance flexes
NASA’s Perseverance rover sent back new images of Mars as it continued testing its instruments.
5. Rewriting the timeline
European researchers using a new carbon dating method found that Neanderthals may have disappeared from Europe 10,000 years earlier than previously thought.
4. Long-distance message
Scientists in Chile and Germany found the most distant source of radio emissions to date — a quasar 13 billion light-years away.
3. No body, no problem
Scientists in Japan found that some sea slugs can intentionally sever their own heads, then regrow a new body from the still-living head within weeks.
2. Older than the ground beneath it
Scientists in France found a meteorite older than Earth in the Saharan Desert, which could shed light on our Solar System’s ancient history.
1. SpaceX Starship lands safely...
for a moment
SpaceX Starship SN10 landed successfully but exploded minutes later due to a fuel leak from damage sustained in the hard landing.
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