A seminal semicentennial

Fifty years ago, Geoff Parker’s pioneering scholarship on “sperm competition” in insects was broadly overlooked. Since those days, hundreds of studies in many animals have confirmed the importance of what he discovered while watching flies mate around cow pats.

Tim Vernimmen • knowable
March 8, 2021 ~13 min

Battling arsenic pollution

Arsenic-poisoned water remains a threat to public health the world over. Scientists hope to change that.

Silke Schmidt • knowable
March 5, 2021 ~14 min

The essential fly

Think before you swat: The much-maligned fly could be the key to ensuring future supplies of many of the world’s favorite foods

Stephanie Pain • knowable
March 2, 2021 ~16 min

How the pandemic could change architecture

COMIC: Covid-19 has inspired a rethink of how we design and use our built environments

Greg Miller and Joyce Rice • knowable
March 2, 2021 ~1 min

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