459 results
459 results for: Dolphins
- 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.
- 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.
- Life
One ocean, four (or more) killer whale species
A new genetic analysis splits killer whales into multiple taxa.
- 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.
- Earth
Ancient marine reptiles losing their cool
Warm-bloodedness may help explain the creatures’ evolutionary success, a new study suggests.
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- Humans
Stone Age seafood fans
Excavations in two Gibraltar caves suggest that Neandertals, like modern humans, regularly visited the Mediterranean shore to complement a land-based diet with seafood
- Ecosystems
Worthless waters
The biological riches of the oceans will be spent within decades if current trends continue.
- Earth
Sharks, dolphins store pollutants
Florida's top aquatic predators are rapidly accumulating high concentrations of brominated flame retardants and other persistent toxic chemicals.
- 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.
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2011 Science News of the Year: Life
Multicellular life from a test tube In less than two months, yeast in a test tube evolved from single-celled life to bristly multicellular structures. The new, snowflakelike forms act like multicellular organisms, reproducing by splitting when they reach large sizes and evolving further in response to harsh conditions, William Ratcliff of the University of Minnesota, […]
