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Tag: "laugh" at biology news

The first laugh: New study posits evolutionary origins of two distinct types of laughter

In an important new study from the forthcoming Quarterly Review of Biology, biologists from Binghamton University explore the evolution of two distinct types of laughter ?laughter which is stimulus-driven and laughter which is self-generated and strategic. . .. Using empirical evidence from across discipl...

Leading lampreys to slaughter: Pheromone for scourge of Great Lakes identified

For the rats of Hamelin, it was the Pied Piper's tune. For the destructive sea lamprey of the Great Lakes, it's a chemical attractant, or pheromone, released by lamprey larvae living in streambeds. Following the pheromone trail, adults are drawn to streams favorable for spawning. Researchers have long wanted to identify the pheromone so it could be synthesized and used to control the sea lamprey,...

Just the expectation of a mirthful laughter experience boosts endorphins 27 percent, HGH 87 percent

There's no doubt that laughter feels good, but is there real neurophysiology behind it and what can you do about it? . .. According to Berk: "The blood drawn from experimental subjects just before they watched...

Widespread elephant slaughter discovered in Chad

A team led by a conservationist from the Bronx Zoo-based Wildlife Conservation Society, working with the Chadian government and the European Union project CURESS near Chad's Zakouma National Park, has discovered 100 slaughtered elephants, most of them missing only their tusks -- a sure sign that poaching is on the upswing just outside of this renowned protected area. . Mike Fay, a WCS conservatio...

Renewed dolphin slaughter prompts new campaign

As the annual dolphin drive hunts begin in the Japanese villages of Taiji and Futo, a consortium of scientists and zoo and aquarium professionals has launched a campaign to end the practices through public awareness and by appealing to the government of Japan to put an end to the hunts. The "Act for Dolphins" campaign--which includes members from The New York Aquarium, Emory University, and the...
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