449 results
449 results for: Dolphins
- Animals
Mirror, mirror on the wall, you’re the scariest fish of all
That thing in the mirror may be more upsetting than a real fish.
- Animals
Dolphins wield tools of the sea
A long-term study of dolphins living off Australia’s coast finds that a small number of them, mostly females, frequently use sea sponges to forage for fish on the ocean floor.
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The Wonders Inside: Bugs & Spiders by Jan Stradling
Illustrations for a young audience detail the anatomy and the ecosystems of these creatures. THE WONDERS INSIDE: BUGS & SPIDERS BY JAN STRADLING Silver Dolphin Books, 2009, 90 p., $19.95.
- Life
First songbird genome arrives with spring
The genome of a songbird has been decoded for the first time. Zebra finches join chickens as the only birds to have detailed maps of their genetic blueprints.
- Ecosystems
Sperm whales may team up to herd prey
Data recorders yield first hints of coordinated feeding behavior.
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All kinds of tired
Donkeys sleep about three out of each 24 hours. Certain reef fish spend the night moving their fins as if swimming in their sleep. Some biologists argue that all animals sleep in some form or another. But identifying sleep can get complicated. Insects have brain architecture so different from humans’, for example, that electrophysiological recordings […]
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Letters
Why good looks look good The article “It’s written all over your face” (SN: 1/17/09, p. 24) made me recall another article (a couple of years ago, I think!) describing the work of researchers investigating an apparent human, obsessive need to identify patterns in our environment. The scientists studied stockbrokers with and without a specific […]
- Life
One ocean, four (or more) killer whale species
Killer whales may be at least four species, a new study of mitochondrial DNA shows.
- Ecosystems
Spill update: From booms to dispersants
Choppy seas prevailed in the northern Gulf of Mexico on May 13, with even protected waters hostingrough 4 to 5 foot waves, according to the Coast Guard. But three-plus weeks into the Deepwater Horizon explosion and ensuing spill from a BP exploratory well, measures to respond to the catastrophe continued ramping up.
- Health & Medicine
Pigs use mirrors
After some time to play around with a mirror, pigs figure out what to do when they glimpse a reflection of food.
- Humans
On imagination, knowledge, art, science and … ET
High schoolers at the Intel International Science and Engineering Fair probe the minds of distinguished scientists during a special Q and A
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Aping the Stone Age
Chimp chasers join artifact extractors to probe the roots of stone tools.
