Animals
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AnimalsZebra finches go mad with mercury, and other animal updates
Mercury exposure makes zebra finches bold and hyperactive, and additional research from the 2014 Animal Behavior Society Meeting.
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AnimalsDolphins and whales may squeal with pleasure too
Dolphins and whales squeal after a food reward in about the same time it takes for dopamine to be released in the brain.
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PhysicsCommon motion emerges in swarms of only 10 midges
A swarm of midges may start to fly as a collective group with as few as 10 individuals, a new study shows.
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AnimalsAboriginal lizard hunting boosts kangaroo numbers
An aboriginal technique for hunting lizards with fire in Western Australia feeds wallaroo populations.
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AnimalsNew dolphin species gets a name
A species of humpback dolphin from Australia has now received its proper name.
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LifeGrizzly bears master healthy obesity
Tuned insulin signals explain how grizzly bears can fatten up for hibernation in the winter without developing diabetes.
By Meghan Rosen -
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AnimalsHere’s your chance to see the last passenger pigeon
On display for the 100th anniversary of her species’ extinction, the final passenger pigeon specimen looks pretty good.
By Susan Milius -
AnimalsOctomom and six other extreme animal parents
The octopus that brooded her young for 4.5 years is just the start when it comes to tales of extreme parenting.
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ComputingBarrel jellyfish may hunt with new kind of math
Barrel jellyfish use a new type of mathematical movement pattern to forage for food, a new study suggests.
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AnimalsDrongos deceive but weavers let them
The fork-tailed drongos of Africa manipulate others to get a meal, but there is good reason to let them get away with the deception.
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AnimalsNematode sperm go rogue
Worm sperm a killer when nematode species crossbreed.
By Susan Milius