A bark scorpion in Arizona

How Does a Scorpion Decide When to Sting?

There are actually two decisions to make: whether to sting at all and whether to use prevenom or full venom.
World War 1 soldiers wearing gas masks

The Amoral Scientist

Fritz Haber was a chemist who made discoveries that improved global agriculture… but also helped spawn the modern era of chemical warfare.
Gypsy Rose Lee seated at a typewriter

Who Really Wrote The G-String Murders?

Gypsy Rose Lee, the most famous burlesque star of the 1940s, wrote a series of letters published by Simon & Schuster that may prove her authorship.
An advertisement for Pernot Liqueur

The Trouble with Absinthe

When temperance advocates won the ban on absinthe in 1915, many of them saw it as the first step in a broader anti-drinking campaign.
King (Kabaka) Mwanga from Buganda (1868-1903)

Anthropologists Hid African Same-Sex Relationships

Sex between people of the same gender has existed for millennia. But anthropologists in sub-Saharan Africa often ignored or distorted those relationships.
Climbers ascending Mount Everest

Mount Everest’s Death Zone

The zone above 8,000 meters is known among mountaineers as the “Death Zone.” Why do most deaths in the high mountains occur at these extreme heights?
A wall of security cameras in Toronto, Canada

Are Smart Cities a Wise Idea?

When Google runs a smart city, who owns the data?
Pope Benedict XVI with incense

Smells Like Divine Spirit

The 4th century was a turning point for the role of scent in the Christian church.
Courtesy SeaDream

A Century After They First Appeared, Electric Boats Are Making a Comeback

In the late 1800s, electric boats were a promising new technology. They are now enjoying a revival.