The pernicious contagion of misinformation

False statements — about Covid-19 and so much else — spread like a virus online. Scientists should study them like one.

Bob Holmes • knowable
Oct. 2, 2020 ~12 min

society qa

Solving the growing plastics waste puzzle

When polymers prove resistant to recycling, new chemical techniques can do the job of breaking them down for reuse

M. Mitchell Waldrop • knowable
Oct. 1, 2020 ~7 min

technology food-environment

Recycling meets reality

Modern industry has made great strides in turning trash into tomorrow’s new products, but the process is still a long way from perfect. New technologies can help. Plus, updates on chemical recycling, design for recycling and dirty recycling.

M. Mitchell Waldrop • knowable
Oct. 1, 2020 ~27 min

climate-change technology food-environment

The mysterious, multifaceted cerebellum

Once thought to merely coordinate movement, this region of the brain is proving to exert greater influence on cognition, emotion and other functions

Diana Kwon • knowable
Sept. 30, 2020 ~15 min

health-disease living-world the-mind

How we bury our dead during a pandemic

Funerals, burials and other ways of communally commemorating those who have died have always been part of human history. The need for social distancing has upended these psychologically important rituals and fostered creative alternatives.

Stephanie Parker • knowable
Sept. 24, 2020 ~17 min

coronavirus society qa

Eviction’s long reach

A “scarlet E” can be the catalyst for a chain reaction of calamities, and Covid-19 piles on

Megan Jula • knowable
Sept. 23, 2020 ~11 min

coronavirus society

The accidental tree killers

Epidemics of forest-felling diseases are on the rise thanks to globetrotting pathogens that slip through even the best defenses. To prevent further losses, scientists are turning to high-tech surveillance and detection, even canine noses.

Stephanie Pain • knowable
Sept. 21, 2020 ~23 min

living-world food-environment

Why solar geoengineering should be part of the climate crisis solution

The controversial technology of reflecting sunlight away from the planet could help blunt the worst impacts of climate change

Betsy Mason • knowable
Sept. 16, 2020 ~15 min

climate-change technology qa food-environment physical-world

Viruses that come to stay

Some linger in the body for a lifetime. The one causing Covid-19 probably isn’t one of them, but it and others can create mischief long after the immune system appears to have banished them.

Amber Dance • knowable
Sept. 15, 2020 ~11 min

coronavirus health-disease

How algorithms discern our mood from what we write online

Researchers and companies are harnessing computers to identify the emotions behind our written words. While sentiment analysis is far from perfect, it manages to distill meaning from huge amounts of data — and could one day even monitor mental health.

Dana Mackenzie • knowable
Sept. 14, 2020 ~16 min

technology the-mind

Page 3 of 23