733 results
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- Paleontology
Oxygen blew up ancient amoebas
Single-celled creatures' size spiked as oxygen levels rose.
- Animals
Animals on the Move
Worldwide — on land, in the sea and in rivers, streams and lakes — wildlife is responding to rising temperatures.
- Life
Penguins may sniff out relatives
A zoo study sees hints of odor-based kin recognition in colony-dwelling birds.
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- Life
Building the body electric
Eyes can be grown in a frog’s gut by changing cells’ electrical properties, scientists find, opening up new possibilities for generating and regenerating complex organs.
- Life
Heart has cellular regeneration ability
In mice, injecting a protein spurs the organ’s own stem cells to regrow small amounts of tissue after damage.
- Life
Dolphin may sense the body electric
Organs on the species' snout help it detect faint fields, like those generated by prey.
- Health & Medicine
Pet frogs can transmit salmonella
A CDC investigation adds a common aquarium species to the list of amphibians that can carry and spread bacteria.
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In field or backyard, frogs face threats
Amphibians and other sensitive groups encounter chemicals across the landscape.
- Earth
Not in this toad’s backyard
Yellow crazy ants meet a hungry obstacle as they spread into cacao plantations.
- Life
Science leaps forward with Calaveras County frog jump
Biologists test the pros of amphibian athletics.
