Brain organoid

Is It Ethical to Grow a Brain in a Petri Dish?

Brain organoids could be the key to understanding brain diseases, which is why we should think carefully about how far we are prepared to take them.
Two people gathering seeds

Can Crops’ Wild Relatives Save Troubled Agriculture?

Cultivating a limited number of crops reduced the genetic diversity of plants, endangering harvests. Seed collectors hope to fix it by finding the plants’ wild cousins.
Several lab mice in a container

An Epidemic of Retractions

Nicolas Chevassus-au-Louis's new book, Fraud in the Lab, offers some tough love for the scientific community.
A Red Cross nurse wearing a face mask, c. 1918

The 1918 Parade That Spread Death in Philadelphia

In six weeks, 12,000 were dead of influenza.
A new lava stream cascades into the ocean at the former lava delta site in Hawai‘i Volcanoes National Park.

Volcanic Ecosystems in the Deep Ocean

Undersea volcanoes, like Hawaii's Kīlauea, foster diverse ecosystems in an environment far from sunlight—and as acidic as lemon juice.
Antechinus stuartii

Death and Mating

Semelparous organisms reproduce exactly once in a lifetime.
A man looking at land affected by drought

Climate Change and Syria’s Civil War

Some scholars and scientists are calling climate change the invisible player in Syria's ongoing civil war. But is that too simplistic an explanation?
Aeroplankton

Aeroplankton: The Life in the Air We Breathe

Just as the ocean is full of plankton, the air we breathe teems with microorganisms.
A profile illustration of a child's head filled with science and education icons

Big Brains Are Hard to Grow

Human brains take a long time, and a lot of energy, to grow to their mature state. This may well be an evolutionary tradeoff for having such big brains.
A bark scorpion in Arizona

How Does a Scorpion Decide When to Sting?

There are actually two decisions to make: whether to sting at all and whether to use prevenom or full venom.