Archive for the ‘Science in Personal and Social Perspectives’ Category

Brain battle - Thursday, April 23rd, 2009

As the day wears on, both sleep pressure and the brain’s alerting signal rise, until sleep pressure triumphs. [Nod]. New brain study explains why night owls don’t get as sleepy during the day.

Mass killings - Thursday, April 16th, 2009

After another mass murder — 13 dead in Binghamton, N.Y. — The Why Files wants to know why they pull the trigger. What are the warning signs of “rampage” shootings? Can they be prevented?

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?

HIV infection caught on videotape - Thursday, March 26th, 2009

New video captures AIDS moving inside immune cells: HIV enters pods that form on the surface, then jumps across into a healthy immune cell that is now doomed to spread HIV — and die.

Embryonic stem cells - Thursday, March 19th, 2009

Last week, Pres. Obama revoked the limits on studies of cells that can become any body cell. What was lost in eight years of limits on embryonic stem cells? What’s ahead?

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?

Economic abyss: Can money buy happiness? - Thursday, February 19th, 2009

Researchers in positive psychology find that giving is better than receiving, that social relationships are key, and that money can – in some circumstances – buy some happiness.

Bush creates huge Pacific reserves - Sunday, January 25th, 2009

Three giant new reserves, extend 50 miles out from shore, will protect coral reefs, fish, clams, and other life forms. But how effective are marine protected areas?

Fuel Faves: Coffee meets diesel! - Tuesday, January 6th, 2009

Oils in spent coffee grounds are easily converted into biodiesel — a renewable source of transportation energy. Bottoms up for CofFuel?

Cool Science Images

SciMax Theater

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