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Is Animal Play Just an Evolutionary Survival Mechanism?

Yes, your dog enjoys play, say biologists, and so do birds, dolphins and many other kinds of animals. How did "having fun" evolve?

The Silent Underground Network

Under your feet in the woods is a vast communication network where information technology keeps the ecosystem functioning.

Pathogens Don't Exist

It takes a partnership to have a disease, say two microbiologists who argue for ditching the word "pathogen."

Monday Morning Design Cheer

Start your week with nuggets of good news about all the things inventors are learning from animals, plants, and the human body.

Mosquitoes Developed a Taste for Human Blood Recently

An experiment with disease-carrying mosquitoes in Africa showed a surprising result: they switched to human blood just thousands of years ago.

Schizophrenia: Diagnosis or Delusion?

Much as psychiatrists would like to help the afflicted, it doesn't help to affix an empty label to an imprecise condition.

Good Gratitude: To Science or God?

There are health benefits to thanksgiving, but motivation is the key.

Let's Get [Thankful for the] Mental

Wonders of the human brain and sensory systems continue to pour forth from scientific research, providing more reasons to give thanks.

Let's Get [Thankful for the] Physical

Wonders of the human body continue to pour forth from scientific research, providing more reasons to give thanks.

Adult Stem Cells Beat Clones

In a contest to see which are better, induced pluripotent stem cells proved just as good as clones. More stem cell news follows.

Junk-DNA Defenders Refuse to Look at "Useless" Code

Having decided there's nothing there, some defenders of the "junk DNA" concept won't focus on it.

Biological Systems Provide Infinite Design Inspiration

It's not likely engineers and biologists will run out of inspiration from biology anytime soon. The source is infinite.

Sex Cells: The Evolution (or Design) of Genitalia

There's been a lot of news about sex organs in recent days. Which does a better job of explaining the facts of life: design or evolution?

Having a Purpose in Life Can Be Healthy

Who spends more time in the hospital? People with nothing to live for.

Trees Reduce Stress

Stressed out by politics or work? Take a walk in the park under the trees. It's a proven remedy.
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