The arachnids, also known as harvestmen, can use their legs like a curling marsupial tail — or as a sensor, or for courtship. They can also simply detach one, in case of emergency.
A new report warns that outdoor workers are at risk of lost wages and dire health consequences if greenhouse gas pollution continues. People of color are especially vulnerable to harm.
Mask mandates and other interventions can help stop a surge, even where vaccination rates are low, say scientists who've reviewed states' data. When the measures start and how long they last matters.
Scientists who warned of heat waves and rising seas this week also say that it's possible to avoid the worst effects of the warming climate. They're relying on computer models of the world economy.
People with weakened immune systems who already got two doses of the Pfizer or Moderna COVID-19 vaccines can now get a third shot. But exactly who is eligible? Here's what we know so far.
The global combined land and ocean-surface temperature was 1.67 degrees Fahrenheit above the 20th-century average, according to NOAA, the hottest in 142 years of record-keeping.
Researchers looked at the impact of free masks, text reminders and celebrity endorsements. It's unclear if the best strategies will help counter anti-mask sentiment in the U.S. during the delta surge.
Monoclonal antibodies can be used to treat people with mild to moderate COVID-19, but the treatment doesn't work for those who've already developed more severe symptoms or are hospitalized.