One case involves our ability to digest lactose, a sugar found in milk. An enzyme called lactase breaks down this sugar into the more easily absorbed sugars glucose and galactose. We are born with the ability to digest milk, of course, for that’s always been the main food of infants. But after we’re weaned, we…
Look at how often change is fought in history. Here’s an example that always tickles me. The chain of events back in the twelfth century that set Europe going economically after the Dark Ages was essentially the textile revolution. A new loom came in from Arab Spain. It had foot pedals, which left the weaver’s hands…
The business sector is dazzlingly productive, but it also periodically blows up our financial system. Yet if we seek another model, one that emphasizes universal health care and educational opportunity, one that seeks to curb income inequality, we don’t have to turn to Sweden. Rather, look to the United States…
We formerly remarked, as a singular phaenomenon, that the animals in the southern provinces of the New Continent, are small in proportion to those in the warm regions of the Old. There is no comparison between the size of the elephant, the rhinoceros, the hippopotamus, the camelopard, the camel, the lion, the tiger…
Many plants new to North America first sprouted up alongside wharves and shipyards. From there they made their way inland along new roads hacked out of the wilderness, and later along canals and railroad embankments, taking up residence in any sort of disturbed soil. Native plants adapted to quiet precolonial forests…
The creation of public programs to improve the health of women and babies began in nineteenth-century Europe, where governments found themselves in need of robust young men to fight their wars and expand their empires. Following a crushing defeat in the 1871 Franco-Prussian War, for example, France set up a series of…
Profit-motivated designer viruses, many of which are completely legal and aboveboard today, have their shady origins in the crooked Ponzi scheme.* Charles Ponzi was an Italian immigrant who opened a business in Boston in 1919 called the Securities Exchange Company. He offered to repay people's investments in 90 days…
Thomas Jefferson was a scientist. That's how he described himself. When you visit his home at Monticello, Virginia, the moment you enter its portals you find ample evidence of his scientific interests - not just in his immense and varied library, but in copying machines, automatic doors, telescopes and other…
Declaration of Independence puts it - 'the laws of nature and of nature's GOD'. Dr Benjamin Franklin was revered in Europe and America as the founder of the new field of electrical physics. At the Constitutional Convention of 1789 John Adams repeatedly appealed to the analogy of mechanical balance in machines; others…
In the sixteenth century the scholar William Tyndale had the temerity to contemplate translating the New Testament into English. But if people could actually read the Bible in their own language instead of arcane Latin, they could form their own, independent religious views. They might conceive of their own private…
Inside my skull is a brain that was designed to exploit the conditions of an African savanna between 3 million and 100,000 years ago. When my ancestors moved into Europe (I am a white European by descent) about 100,000 years ago, they quickly evolved a set of physiological features to suit the sunless climate of…
In 1717 Lady Mary travelled to Turkey with her husband, the British Ambassador at Constantinople. There she first witnessed variolation. She described the procedure in a letter to her friend Sarah Chiswell: The small-pox, so fatal, and so general amongst us, is here entirely harmless by the invention of ingrafting…