Carl Zimmer

Carl Zimmer

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NYT columnist and acclaimed science writer covering biology, evolution, medicine, and research breakthroughs with depth and clarity.

New Gene-Editing Tool Enables Precise Human Embryo Modifications
SocialJun 5, 2026

New Gene-Editing Tool Enables Precise Human Embryo Modifications

When scientists used CRISPR to edit the DNA of human embryos, it made catastrophic mistakes. But now they've used a newer tool to make far more precise edits. Here's my story about how this changes the germline engineering debate. Gift...

By Carl Zimmer
Scientists Race to Test Bundibugyo Virus Vaccine Candidates
SocialJun 2, 2026

Scientists Race to Test Bundibugyo Virus Vaccine Candidates

Scientists are scrambling to test vaccines and drugs that can work against the Bundibugyo virus. Here's my story on some of their prime candidates. Gift link: https://nyti.ms/4u7cN4A

By Carl Zimmer
Study Suggests Thousands of Human Genes Under Recent Selection
SocialApr 15, 2026

Study Suggests Thousands of Human Genes Under Recent Selection

Until now, scientists have identified only a few dozen variants that went through natural selection in humans in the past 10,000 years. A new study claims to find hundreds--maybe thousands. Here's my story on the provocative research, and the mixed...

By Carl Zimmer
30-Year Chimp War Study Faces Extinction From NSF Cuts
SocialApr 9, 2026

30-Year Chimp War Study Faces Extinction From NSF Cuts

A three-decade long study of chimpanzees has revealed a primate version of a bloody civil war. It's now at risk of getting eliminated due to cuts at the National Science Foundation. My story here (gift link): https://nyti.ms/4mhr5NQ

By Carl Zimmer
Why Replication Studies Remain Unpredictably Challenging
SocialApr 1, 2026

Why Replication Studies Remain Unpredictably Challenging

I wrote today about a big study on replication--and why it's so hard to know if a study will hold up or not. Gift link: https://nyti.ms/4sNu3MF

By Carl Zimmer
Eggs as Cheap, Scalable Factories for New Medicines
SocialMar 26, 2026

Eggs as Cheap, Scalable Factories for New Medicines

I have a story today about the quest to turn eggs into low-cost factories for medicines. Gift link: https://nyti.ms/4bzSabB

By Carl Zimmer
1977 Russian Flu Shows Lab-Origin Genetic Signature
SocialMar 9, 2026

1977 Russian Flu Shows Lab-Origin Genetic Signature

"Russian flu," the pandemic that hit in 1977, bears an evolutionary signature of having emerged from a lab, perhaps as part of a failed vaccine effort. Covid, mpox, Ebola, and other influenza pandemics don't. Here's my story on a new...

By Carl Zimmer
Ancient DNA Reveals 250k-Year-Old Mating Preferences
SocialFeb 26, 2026

Ancient DNA Reveals 250k-Year-Old Mating Preferences

Neanderthals, modern humans, and the rules of attraction. Here's my story on a tantalizing study on mating preferences as far back as 250,000 years ago. Gift link: https://nyti.ms/4bcNzvy

By Carl Zimmer