Why Do We Tickle?

Why do we tickle, why are we ticklish? Why does it make us laugh even while we try to get away from it? It's a ticklish subject....
Gravitational waves

What Are Gravitational Waves?

Einstein predicted over a hundred years ago the existence of gravitational waves. Now a team of over 1,000 scientists have confirmed their existence. 
Visualization of Einstein's Theory of General Relativity.

General Relativity 100 Years On

Einstein's groundbreaking theory of general relativity has remained an essential hallmark of modern physics.
Nebula

I ❤ Physics: A Love Story

I could not bring myself to accept string theory’s claim, often presented as a scientific fact, that there are exactly 11 dimensions.
Boston City Hospital operating theater, circa 1890, by A. H. Folsom (d. 1926) of Roxbury

Inside the Operating Theater: Early Surgery as Spectacle

Director Steven Soderbergh’s historical drama series, The Knick, brings viewers inside a New York City hospital’s operating room ...
Thomé de Gamond's plan of 1856 for a cross-Channel link, with a port/airshaft on the Varne sandbank mid-Channel

The Channel Tunnel Is a Product of Politics, Not Engineering

The history of the Channel Tunnel is the really the contentious history between France and England.
The Pyramids and Sphinx

Using Technology to Understand the Pyramids

Technological advances continue to play a strong role in our efforts to understand the great pyramids of Egypt.
Bergonic chair for giving general electric treatment for psychological effect, in psycho-neurotic cases. World War 1 era.

Why Electroshock Therapy Isn’t Bad for You

Electroconvulsive therapy, or electroshock, has a bad reputation, but medically its efficacy is well documented, even if nobody knows how it works.
Broken windows in Prypiat, Chernobyl

Chernobyl: Can Wildlife Return After the Blast?

For 30 years we have assumed that no life would return to Chernobyl after the nuclear disaster there. We may be wrong.

Will Spicy Foods Preserve You?

Spicy foods may prolong life; they certainly act as food preservatives.