Animals

Genetics

Tweaking one gene with CRISPR switched the way a snail shell spirals

The first gene-edited snails confirm which gene is responsible for the direction of the shell’s spiral.

Animals

Deep-sea fishes’ eye chemistry might let them see colors in near darkness

An unexpected abundance of proteins for catching dim light evolved independently in three groups of weird deep-sea fishes.

Earth

A belly full of wriggling worms makes wood beetles better recyclers

Common beetles that eat rotten logs chew up more wood when filled with a roundworm larvae, releasing nutrients more quickly back to the forest floor.

Ecosystems

War wrecked an African ecosystem. Ecologists are trying to restore it

Bringing back big predators to Gorongosa, once a wildlife paradise in Mozambique, is just one piece of the puzzle in undoing the damage there.

Animals

These award-winning photographs capture rarely seen wildlife and landscapes

Winners of the California Academy of Sciences’ annual photo contest dove deep underwater and hiked to great heights to create these striking images.

Animals

Pandas’ share of protein calories from bamboo rivals wolves’ from meat

The panda gut digests protein in bamboo so well that the animal’s nutritional profile for calories resembles a wolf’s.

Paleontology

A dinosaur’s running gait may reveal insights into the history of bird flight

In what may have been a precursor to avian flight, a flightless winged dinosaur may have flapped its wings as it jogged.

Agriculture

Can Silicon Valley entrepreneurs make crickets the next chicken?

Entrepreneurs are bringing automation and data analysis to insect agriculture to build a profitable business that helps feed the planet.

Animals

Hippo poop cycles silicon through the East African environment

By chowing down on grass and then excreting into rivers and lakes, hippos play a big role in transporting a nutrient crucial to the food web.

Animals

How aphids sacrifice themselves to fix their homes with fatty goo

Young aphids swollen with fatty substances save their colony by self-sacrifice, using that goo to patch breaches in the wall of their tree home.

Animals

Endangered green sea turtles may be making a comeback in the U.S. Pacific

The numbers of green sea turtles spotted around Hawaii, American Samoa and the Mariana Islands have increased in the last decade.

Animals

A scientist used chalk in a box to show that bats use sunsets to migrate

A new device for investigating bat migration suggests that the flying mammals orient themselves by the setting sun.