Sex at Dawn

Exploring the evolutionary origins of modern sexuality.

Christopher Ryan, Ph.D. is co-author of Sex at Dawn: The Prehistoric Origins of Modern Sexuality (HarperCollins 2010). See full bio

September 21, 2009

Fascinating Figures: Richard Evans Schultes

Richard Evans Schultes (Jan 12, 1915 - April 10, 2001) was the sort of character Hollywood hasn't the imagination to invent. The true facts of his life make Indiana Jones look like a couch potato. Read More

September 12, 2009

Sloppy Thinking on Drugs

Even brilliant, informed people can slip into sloppy arguments on the question of drug legalization. Read More

August 28, 2009

What About the Women?

The Mosuo: A Society Without Fathers or Husbands. Read More

August 22, 2009

Is Monogamy Incest? (Why Men Cheat, Part I)

Sexual novelty is too important a part of erotic attraction for most men to be completely comfortable with the maxim that sex is all about love, period. Sometimes it is; sometimes it isn't. Read More

August 14, 2009

Who Destroys the Marriage? Cheating Husband, Betrayed Wife, or Other Woman?

"Making love with a woman and sleeping with a woman are two separate passions, not merely different but opposite. Love does not make itself felt in the desire for copulation (a desire that extends to an infinite number of women) but in the desire for shared sleep (a desire limited to one woman)." —Milan Kundera, The Unbearable Lightness of Being Read More

August 10, 2009

Dr. Weil Makes a Diagnosis

Dr. Andrew Weil, one of the pioneers of integrating alternative approaches to healing with traditional medicine, adds his two-cents worth on health care reform. Read More

August 9, 2009

Me First, Screw Everyone Else

"The me-first, screw-everyone-else crowd is merely using the argot of fairness, empiricism and morality to hide its real motive: selfish greed." Read More

August 9, 2009

Circling the Drain

If everyone on Earth adopted American lifestyles, we would need four extra worlds to supply their needs. Read More

August 8, 2009

Chimps and Suicide Bombers

Anthropologist and science historian Eric Michael Johnson has posted an excellent essay on how altruism and murderous spite are two sides of a coin called "inclusive fitness" and -- according to him -- only exist in humans. Read More

August 7, 2009

America Causes Cancer

We're spending over $630 billion on guns, missiles, and bombs every year, but can't afford less than $1 trillion (over ten years) to insure every American? Really?

How much would we spend on the CIA and arms if our enemies were killing 22,000 Americans every year? Read More

Sex Basics

Sex is the most profound and intimate way to express your love for someone. Different people enjoy and pursue sex in different forms—as the pioneering sex researcher Alfred Kinsey put it, the only universal in human sexuality is variability itself. But within the universe of intimacy and pleasure that sex affords is a lot of room for error.

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