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Neanderthal-Heidelberg Distinction Blurs

"Heidelberg Man" has been a modern name imposed on certain fossil humans that have been unable to speak for themselves. Now, their bones appear to overlap with Neanderthals. But don't modern humans have Neanderthal DNA? Do the distinctions make any sense?

Myth Busters: Flubs in Evolutionary Anthropology

Evolutionary psychologists and anthropologists have trouble explaining living humans, let alone past ones.

Monkey Raspberries Created Speech

What was this evolutionist thinking when he proposed that human language evolved out of the lip smacking and buzzing sounds made by monkeys?

Don't Hate Bacteria Irrationally

It should be well known by now that we are surrounded by bacteria, mostly benign, all the time -- inside and out. Some reporters still attempt to gross out the public and make misleading statements from scientific findings.

The Wonder and Blunder in Your Skull

Even when it goes awry, the brain wins an award of cosmic proportions, according to a veteran psychiatrist.

Animal Sin: What Does It Imply?

Some animals commit cruel or disgusting acts humans would consider immoral. What does this mean?

Shrink Validity Is Shrinking

Should you trust the diagnosis of a psychiatrist? If it helps, individuals are free to choose. Behind the scenes, however, there are severe, deep-seated debates about whether psychiatrists understand disorders, let alone diagnose them properly.

Improbable Ape Speaks Randomly

It's not uncharitable to call someone an ape when he calls himself that.

Lamarckism: Dead but Useful

Lamarck's theory of evolution was supposed to have died in 1859 when Darwin published his theory of natural selection. Despite textbook depictions of Lamarckism as obsolete, Lamarckian language still surfaces from time to time, even in prestigious journals.

From Toxin to Medicine

Botulinum toxin (botox) is now big business in health and fashion, but few may remember it derives from one of the deadliest substances known in nature. Other examples show that some forms of "natural evil" can be seen in a different light.

Evolution for Men and Women

Two recent entries in the evolution literature have application to one sex or the other.

Stem Cells Getting Healthier

Over the past decade, stem cells have been a hot news item. Here are some late breaking news stories about them.

Why You Are Waterproof

Can you imagine inflating like a water balloon every time you jumped in a swimming pool? Or what if water leaked out of your skin every time you drank a glass of water? Your skin forms an impermeable barrier to water, a new study found, because of a unique way certain molecules are arranged.

Body Talk

Scientists sometimes just prove the obvious, like that men and women are different. If we can talk body without talking bawdy, there are some new discoveries about body works that should put a spring in your step today about how your body works.

Human Variability Can Be Rapid

All living humans are interfertile – one species by definition. People from all parts of the globe can marry and have children, even though global travel is relatively recent in human history. Yet we know there is considerable variability between tribes and nationalities. Does this variability take millions of years? Does it lead to the origin of new human species? Recent evidence shows that variations can be rapid, both genetic and acquired, without reducing interfertility.
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