Coronavirus evolving: How mutations arise and new variants emerge

COMIC: As it spreads throughout the world, the virus that causes Covid-19 has been changing. Scientists are tracking those changes, hoping to stay one step ahead of worrisome strains.

Diana Kwon and Maki Naro • knowable
Feb. 23, 2021 ~1 min

How coral atolls get their gorgeous ring shapes

OPINION: Sea levels rising and falling over hundreds of thousands of years helped build up these special islands

Alexandra Witze • knowable
Feb. 18, 2021 ~9 min

Don’t let Covid boost another killer

OPINION: The pandemic may be interfering with our fight against drug-resistant bacteria. Luckily, the same tactics can beat back both scourges.

Mohan P. Joshi • knowable
Feb. 17, 2021 ~8 min

The when of eating: The science behind intermittent fasting

What and how much we eat isn’t the only important thing when it comes to healthy nutrition. Timing seems to matter, too.

Andreas von Bubnoff • knowable
Jan. 29, 2021 ~32 min

Memory, the mystery

PODCAST: Just in the past half-century, our understanding of how exactly our brains remember has taken huge leaps. Amazingly, this is just the beginning.

Adam Levy • knowable
Jan. 14, 2021 ~21 min

Dung beetles: In the gutter, gazing at the stars

As they craft their humble lives from piles of manure, the insects look to the skies for direction

Charles Q. Choi • knowable
Dec. 22, 2020 ~13 min

Marvelous misunderstood mistletoe

Best known as a holiday trimming, the parasitic plant is a botanical luminary in its own right. Research suggests it may give as much as it receives from the flora and fauna around it.

Rachel Ehrenberg • knowable
Dec. 18, 2020 ~13 min

Protecting great apes from the unknown effects of Covid-19

Humans can transmit many diseases to chimps, orangutans and their kin. People who study and care for the creatures are taking lockdown-style measures to limit the risk.

Jackie Rocheleau • knowable
Dec. 3, 2020 ~9 min

How researchers are making do in the time of Covid

The coronavirus pandemic has shuttered labs and sidelined scientists all over the world. Here’s a look at how some of them have coped.

Anil Ananthaswamy • knowable
Dec. 2, 2020 ~21 min

Tiny liquid droplets are driving a cell biology rethink

A recently recognized biophysical feature in the fluid of living cells has biologists thinking afresh about how cells carve up their space

Alla Katsnelson • knowable
Nov. 20, 2020 ~12 min