1,405 results
1,405 results for: Whales
- Life
Earliest whales gave birth on land
Recently discovered fossils of a protowhale help fill in gaps in the land-to-water transition.
- Life
Evolutionary genetic relationships coming into focus
Researchers have filled in about 40 percent of the tree of life for mammals and birds, but other vertebrates lag behind.
- Ecosystems
Exxon Valdez killed future for some killer whales
An Alaskan oil spill disrupted family structure in killer-whale groups, with lasting and dramatic repercussions.
- Life
Mother right whales know best, maybe
Southern right whales learn where to eat from mom and may not seek new feeding grounds if these favorite restaurants go belly-up.
- Life
2009 Science News of the Year: Life
Breeding records for sheep on Hirta offer an unusual opportunity to study inheritance. Image Credit: Arpat Ozgul Gentler winters shrink sheepWarming has trumped the benefits of fat to shrink sheep on the remote North Atlantic island of Hirta, a new analytical approach has revealed (SN: 8/1/09, p. 12). Weights for wild female Soay sheep dropped […]
- Ecosystems
Pacific Northwest salmon poisoning killer whales
A protected population of resident orcas around Vancouver Island and Puget Sound is the planet’s most PCB-contaminated mammals, says one researcher.
- Math
Million-dollar math prize awarded, but not necessarily accepted
The reclusive mathematician who proved the Poincaré conjecture may or may not claim his prize.
- 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.
- Animals
Whaling, to be announced
The 60th meeting of the International Whaling Commission defers voting on deadlocked issues
- Health & Medicine
PCBs hike blood pressure
No one would choose to eat polychlorinated biphenyls, or PCBs — yet we unwittingly do. And a new study finds that the cost of their pervasive contamination of our food supply can be elevated blood pressure, a major risk factor for heart disease.
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Stranded: A whale of a mystery
Scientists generally agree that sonar can trigger strandings of certain whales, but no one really knows what leads these deep divers to the beach.
- Humans
Whaling back to the future
International commission meets after soul-searching on years of dispute.
