Archive for the ‘Biology’ Category


Animal arms race - Thursday, July 16th, 2009

The struggle between predator and prey never ends. Bats invented sonar, and now some moths are fighting back. Check out the Why Files acoustic-organic warfare, airborne edition.



Senators, governors and other mammals… - Thursday, July 9th, 2009

Can our evolutionary roots explain that self-destructive search for sex – and sexual companionship? Could Darwinian psychology constitute the cause home-wrecking, career-blitzing fatal attractions?



How a fly detects a poison - Thursday, July 2nd, 2009

Animals spend a lot of energy avoiding toxic chemicals in their food. A new type of gene that does this in fruit flies reinforces the importance of reproduction in shaping evolution.



History of fishing - Thursday, May 28th, 2009

A new study finds a surprising number of fish, birds and mammals in the oceans 100 and 1,000 years ago. Can this information help regulators slow the decline of important marine animals?



“No prob” sez life to crashing asteroids! - Thursday, May 21st, 2009

The “late heavy bombardment” burned out any life that was around 4 billion years ago — or not… Plenty of high temperature bacteria could have survived in deep rocks, says a new study.



Microbial bliss - Thursday, April 30th, 2009

Scientists are proving that intestinal bacteria can help health — but for what conditions? Should you take probiotic supplements or eat foods with beneficial bugs? What does the science say — and not say?



Body odor - Thursday, April 9th, 2009

Study finds that male body odor is harder to mask, but the male nose is more easily confused. Info lends insight into human mating, and helps perfume makers. So what’s in your deodorant?



Counting birds - Thursday, April 2nd, 2009

The feds put out a massive report on American birds, and the #1 source of data is – amateurs! What is the role of amateurs in ornithology? Hint: if you want to survey 800 species on 3.5 million square miles…



After the chimp attack - Thursday, March 5th, 2009

We explore the sad saga of pet primates. Are these pets psychologically good for us? For them? Are humans and other primates trading diseases at home, and in the wild?



Discussing disgust - Thursday, February 26th, 2009

Disgust caused by filthy food, feces, and an unfair deal all trigger the same facial expression. So is our moral disgust the same as the primitive disgust caused by toxic food?


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