A year of missing tests

Standardized tests for K-12 students were largely dropped during Covid, leaving a gaping hole in our understanding of students’ progress.

Amber Dance • knowable
July 13, 2021 ~3 min

Let’s put community health workers to work

OPINION: Covid laid bare the scope of health disparities in the US and around the world. Research shows that trained lay people may be the best way to bring evidence-based care to those who need it most.

Miya Barnett • knowable
July 8, 2021 ~9 min

What Sweden’s Covid failure tells us about ageism

Experts say that growing age discrimination in the West is a result of policies that far predate the pandemic

Carl-Johan Karlsson • knowable
July 7, 2021 ~18 min

Sizzling science: How to grill a flavorful steak

Want to learn how cooking transforms beef’s flavor? Meat scientists have the answers.

Bob Holmes • knowable
June 23, 2021 ~9 min

The great sleep divide

Sleep deficits are robbing poor people and racial minorities of health and earning power. What can be done?

Katherine Ellison • knowable
June 22, 2021 ~12 min

Psychedelics open a new window on the mechanisms of perception

Some neuroscientists think psychedelic drugs and the hallucinations they induce could help reveal how the brain generates our perceptions of the world around us — and of ourselves

Anil Ananthaswamy • knowable
June 21, 2021 ~24 min

Could mitochondria be the key to a healthy brain?

Some researchers suspect these bacterial ancestors living within our cells may contribute to a wide range of neurological and psychiatric disorders

Diana Kwon • knowable
June 17, 2021 ~18 min

Let’s keep meetings virtual after Covid

OPINION: We don’t want to go back to living on planes and out of suitcases. Virtual meetings are cheaper, more accessible and better for the planet.

Katherine H. Freeman • knowable
June 15, 2021 ~7 min

Evolution of the dad

Most male mammals have little or nothing to do with their kids. Why is our own species different?

Elizabeth Preston • knowable
June 15, 2021 ~13 min

A galactic archaeologist digs into the Milky Way’s history

Astrophysicists now have the data and models to uncover subtle imprints from our galaxy’s past

Ramin Skibba • knowable
June 10, 2021 ~13 min