Skip to main content
Move the World.

B. David Zarley

B. David Zarley

B. David Zarley is a senior staff writer for Freethink, where he covers public health, with a focus on infectious disease and the future of drugs and mental wellness. A graduate of SUNY Fredonia, his work has also appeared in The Atlantic, The Verge, Jezebel, Frieze, Sports Illustrated, VICE, Paste Magazine, and numerous other publications. He lives in Chicago. Tip him!

[email protected]

Recent Work by Author

Oceans
These Ultra-Black Deep-Sea Fish Absorb Over 99% of Light
deep sea fish
Oceans
These Ultra-Black Deep-Sea Fish Absorb Over 99% of Light
Researchers have discovered ultra-black deep-sea fish that can absorb over 99% of light. Their skin may hold secrets to creating new ultra-dark materials.
August 8, 2020

Researchers have discovered ultra-black deep-sea fish that can absorb over 99% of light. Their skin may hold secrets to creating new ultra-dark materials.

Medicine
Medieval Medicine Yields Modern Weapons
medieval medicine
Medicine
Medieval Medicine Yields Modern Weapons
Deadly antibiotic-resistant superbugs require new weapons. Ancient and medieval medicine may point us to where to find them.
August 8, 2020

Deadly antibiotic-resistant superbugs require new weapons. Ancient and medieval medicine may point us to where to find them.

Coronavirus
Immune Signals May Predict Severe Cases of COVID-19
severe cases of covid-19
Coronavirus
Immune Signals May Predict Severe Cases of COVID-19
Severe cases of COVID-19 involve a runaway immune response called a cytokine storm. Immune system “signatures” may sharpen doctor’s forecasts.
August 2, 2020

Severe cases of COVID-19 involve a runaway immune response called a cytokine storm. Immune system “signatures” may sharpen doctor’s forecasts.

Ancient Life
Researchers Discover Living 100-Million-Year-Old Microbes
deep sea microbes
Ancient Life
Researchers Discover Living 100-Million-Year-Old Microbes
Researchers have found microbes in deep sea sediment millions of years old. Given food, they sprung back to life.
July 31, 2020

Researchers have found microbes in deep sea sediment millions of years old. Given food, they sprung back to life.

Coronavirus
COVID-19 Tests That Are Fast, Cheap, and Less Accurate May Be Key
covid-19 tests
Coronavirus
COVID-19 Tests That Are Fast, Cheap, and Less Accurate May Be Key
Fast, cheap, DIY COVID-19 tests could dramatically increase the amount of testing done. And some experts think the trade off in accuracy would be worth it.
July 29, 2020

Fast, cheap, DIY COVID-19 tests could dramatically increase the amount of testing done. And some experts think the trade off in accuracy would be worth it.

Clean Energy
New Solar Cells Could Be a Breakthrough in Clean Energy
solar cells
Clean Energy
New Solar Cells Could Be a Breakthrough in Clean Energy
Better solar cells are an objectively good thing. Two new breakthroughs may help us harness more light, more cost effectively.
July 27, 2020

Better solar cells are an objectively good thing. Two new breakthroughs may help us harness more light, more cost effectively.

Aerospace
Meet NASA's Autonomous Vehicle — For Mars
nasa's autonomous vehicle
Aerospace
Meet NASA's Autonomous Vehicle — For Mars
When Perseverance lands on Mars, it will hopefully drive further faster than any rover before. NASA’s autonomous vehicle’s secret? A dedicated “pilot.”
July 27, 2020

When Perseverance lands on Mars, it will hopefully drive further faster than any rover before. NASA’s autonomous vehicle’s secret? A dedicated “pilot.”

Aerospace
China Mars Mission Joins Emirates, With U.S. To Follow
mars mission
Aerospace
China Mars Mission Joins Emirates, With U.S. To Follow
With each new Mars mission, the red planet renaissance heats up this July. China and newcomer the UAE are off-world, and NASA’s on deck.
July 23, 2020

With each new Mars mission, the red planet renaissance heats up this July. China and newcomer the UAE are off-world, and NASA’s on deck.

Artificial Intelligence
The Most Impressive Language Generator Yet
language generator
Artificial Intelligence
The Most Impressive Language Generator Yet
OpenAI’s GPT-3 is currently the talk of Twitter. The powerful language generator is writing everything from sci-fi to code.
July 21, 2020

OpenAI’s GPT-3 is currently the talk of Twitter. The powerful language generator is writing everything from sci-fi to code.