How Bad Was the Coronavirus Pandemic on Tourism in 2020? Look at the Numbers.

The dramatic effects of the coronavirus pandemic on the travel industry and beyond are made clear in six charts.

7h

Severe Obesity Raises Risk of Covid-19 Hospitalization and Death, Study Finds

A large new study has confirmed an association between obesity and patient outcomes among people who contract the coronavirus.

8h

Vaccinated Americans, Let the Unmasked Gatherings Begin (but Start Small)

The C.D.C. on Monday released long-awaited advice for immunized people, a glimpse at the next stage of the coronavirus pandemic.

8h

How Bad Was 2020 for Tourism? Look at the Numbers.

The dramatic effects of the coronavirus pandemic on the travel industry and beyond are made clear in six charts.

10h

Women Report Worse Side Effects After a Covid Vaccine

Men and women tend to respond differently to many kinds of vaccines. That’s probably because of a mix of factors, including hormones, genes and the dosing of the shots.

15h

Global Warming’s Deadly Combination: Heat and Humidity

A new study suggests that large swaths of the tropics will experience dangerous living and working conditions if global warming isn’t limited to 1.5 degrees Celsius.

15h

Meet the Sea Slugs That Chop Off Their Heads and Grow New Bodies

Their severed heads get around just fine until they regenerate perfectly functioning, parasite-free new bodies, scientists say.

15h

The Latest Wrinkle in Crumple Theory

From studies of “geometric frustration,” scientists learn how paper folds under pressure.

21h

For Planet Earth, No Tourism is a Curse and a Blessing

From the rise in poaching to the waning of noise pollution, travel’s shutdown is having profound effects. Which will remain, and which will vanish?

1d

The Power of Playing Dead

A study shows that pretending to be immobile — sometimes for an hour or more — helps larvae of insects called antlions outlast hungry predators.

1d