Science

a colorful image of a human embryo at Day 11 under a microscope

Model human embryo, created from stem cells, survives past two weeks

A model human embryo capable of developing past day 14 could revolutionize our understanding of human development.

How years of fighting every wildfire helped fuel the Western megafires of today

The current approach to fire management poses unnecessarily high stakes for forests. Here’s why fighting every fire does more harm than good.

Paul Hessburg and Keala Hagmann and Susan J. Prichard

rows of black rock with the gloved hands of a scientist in the background

Planet Earth

Record-breaking amount of Earth’s mantle drilled out of ocean floor

Scientists aboard the JOIDES Resolution have retrieved “a staggering” amount of mantle rock from below the ocean floor.

Kristin Houser

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.

B. David Zarley

CRISPR

This genetically modified cow could transform beef production

Cosmo the bull calf has an extra SRY gene, which makes him more likely to sire male cows — and also makes him a strong candidate for use as a GMO food.

Kristin Houser

CRISPR

Small protein, big breakthrough for CRISPR gene editing

A new protein opens doors for gene editing by gaining access to hard-to-reach areas of the genome.

Teresa Carey

Genetics

For the first time, researchers edit human mitochondrial DNA

Researchers can now edit a part of the human genome that CRISPR has never been able to. This opens up new possibilities for research and cures for devastating rare genetic diseases.

Teresa Carey

Genetics

Gene writing: A new type of genetic engineering

Startup Tessera Therapeutics has developed gene writing, a new approach to genetic engineering that it says overcomes CRISPR’s shortcomings.

Kristin Houser

Robotics

Cracking the mystery of how insects fly — with robots

Scientists made a robot that can keep up with flying insects, helping researchers understand flight physics.

Teresa Carey

Biology

New 3D bioprinting method uses light to grow ears in mice

A new 3D bioprinting technique uses near-infrared light to trigger a bioink to form shapes, even when placed under the skin of mice.

Kristin Houser

Oceans

The first person to reach space and Challenger Deep

Astronaut Kathy Sullivan has visited the Challenger Deep, making her the first human to reach both space and the bottom of the ocean.

Kristin Houser

Biology

Scientists reveal first 3d heart model that shows heart’s neurons

Researchers built a virtual 3D heart model in unparalleled detail, mapping the neurons for the first time.

Teresa Carey

Series| Biohackers

DIY biohacking: Do(n’t) try this at home

8:56

Dr. Josiah Zayner believes scientists are dragging their feet on realizing CRISPR’s potential, so his do-it-yourself CRISPR kit allows people to experiment with gene editing at home.

Doug Dais

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