459 results
459 results for: Dolphins
- Animals
SOS: Call the ants
Emergency ant workers bite at snares, dig and tug to free trapped sisters
- Life
Mosquito fish count comrades to stay alive
New experiments indicate that mosquito fish can count small numbers of companions swimming in different groups, an ability that apparently evolved to assist these fish in avoiding predators.
- Earth
How killer whales are like people
Killer whales may be sentinels for toxic chemicals accumulating in even landlubbers.
- Animals
Dogs show a fetching communication savvy
In a sign of understanding that one object can be used to represent another, border collies fetch toys after being shown replicas or, in some cases, photos of those toys.
- Animals
Tool use to crow about
A pair of new studies indicates that crows can employ tools in advanced ways, including using stones to displace water in a container and manipulating three sticks in sequence to reach food.
- Life
Earliest whales gave birth on land
Recently discovered fossils of a protowhale help fill in gaps in the land-to-water transition.
- Life
Supreme Court lifts restriction on Navy sonar testing
Justices overturn restrictions that require Navy to stop using sonar when marine mammals are within 2,200 yards of vessels.
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Humans wonder, anybody home?
Brain structure and circuitry offer clues to consciousness in nonmammals.
- Space
The Drake Equation Turns 50: An interview with Frank Drake
The astronomer shares his name with the equation that quantifies the number of detectable civilizations in the Milky Way.
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- Life
A honeybee tells two from three
Honeybees can generalize about numbers, at least up to three, a new study reports.
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