Abortions can happen safely — and entirely — at home

OPINION: The pandemic has taught us how we can deliver better care to patients who seek to terminate pregnancies. Now if only science could triumph over politics.

Leah Coplon and Claire Brindis • knowable
Feb. 24, 2021 ~8 min

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

Sounding the alarm: How noise hurts the heart

Loud road and air traffic has been linked to a greater risk of high blood pressure, heart attacks and strokes. Scientists are uncovering new details about how what you hear stresses the cardiovascular system.

Cypress Hansen • knowable
Feb. 12, 2021 ~9 min

The challenges of antiviral treatments

Antibiotics abound, but virus-fighting drugs are harder to come by, and Covid-19 amply shows how much we need them. Fortunately, scientists are getting better at making and finding them.

Amber Dance • knowable
Feb. 9, 2021 ~14 min

Will small businesses recover from Covid?

They play an outsize role in the economy, and in strengthening communities. Their prospects for surviving the pandemic may seem dim, but there are some encouraging signs, experts say — and emerging winners and losers.

Eryn Brown • knowable
Feb. 6, 2021 ~15 min

Kids of the Covid generation: The road ahead

What will become of children growing up during the pandemic? There’s reason for concern, but the research on resilience is reassuring. A developmental psychologist explains what adults can do to protect youngsters from long-term harm.

Amber Dance • knowable
Feb. 3, 2021 ~11 min

How enlisting dentists can speed up Covid-19 vaccinations

Dental care providers have the skills, the facilities and the trust of patients who might otherwise miss out

Mary E. Northridge • knowable
Feb. 3, 2021 ~6 min

Could the immune system be key to Alzheimer’s disease?

Increasing evidence suggests that chronic inflammation takes a toll on the brain over the course of a lifetime

Esther Landhuis • knowable
Feb. 2, 2021 ~15 min