biology

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2025-08-18 · open.substack.com

The Weight of a Cell

A single E. coli bacterium weighs about one picogram, 60 million times less than a grain of sand. But how do we know?

2025-06-21 · asteriskmag.com

Brain Freeze—Asterisk

The idea of cryonics — freezing the bodies of the dead in the hopes that they can one day be revived — has existed since the 1960s. We’ve since learned that perfect preservation is much, much harder than any of its founders anticipated.

2025-04-10 · asimov.press

Recipe for a Cell

While we know how to break organisms down to their constituent parts, even at the atomic level, building them from scratch remains difficult.

2025-03-26 · asimov.press

What Limits a Cell’s Size?

Two physical constraints help explain why cells are so tiny: surface area-to-volume ratios and diffusion. The first article in our new Data Series.

2024-12-12 · asimov.press

The Dangers of Mirrored Life

Creating mirrored organisms using synthetic biology could seriously harm extant life, a 300-page report claims. While the risks from mirrored life are uncertain, it is best not to find out.

2019-09-15 · getpocket.com

Solving Wildlife's Strangest Mysteries

When a creature mysteriously turns up dead in Alaska—be it a sea otter, polar bear, or humpback whale—veterinary pathologist Kathy Burek gets the call. Her necropsies reveal cause of death and causes for concern as climate change frees up new pathogens and other dangers in a…