"What if the Eyjafjallajokull ash cloud is "not just a minor volcanic hiccup, but the beginning of an event that causes in time a mass extinction of some form of earthbound life?" asks Simon Winchester.
Several studies have concluded that obesity accelerates the process of dementia. People who are overweight in their 40s are more likely to show a rapid, pronounced decline in brain function in their 70s.
The adoption of enhanced incentives for domestic enterprise in the Third World may help poor countries compete in the global marketplace, writes David Landes.
"Individuals and businesses who are feeding a $700 million global market in offsets are often buying vague promises instead of the reductions in greenhouse gases they expect," writes Doug Struck.
Nearly fifty years after the invention of the birth control pill, we now have a wide variety of options for contraception. Yet nearly half of pregnancies in the U.S. are still unintended.
"No poet has ever been so influential, so controversial, and so little read" as Ezra Pound, writes Jamie James. After him, "anyone aspiring to be a poetic messiah would be shunned as a charlatan."
Scientists have used DNA to trace the evolutionary split between head and body lice to 190,000 years ago. They say this may indicate how long humans have been wearing clothing.
To promote greater transparency, Google is creating a tool to give people information about government requests for content removal and user data.
University authorities—seeing the distraction that the Internet and social media can cause—are trying a varied of methods to get students to turn off their computers in class.
Researchers have found that bees see the world nearly five times as quickly as humans do, helping them to navigate through bushes and find food.
Mark Twain was a great American novelist, but Nathanial Rich notes that in his own lifetime—which ended exactly a hundred years ago today—he was read more widely as a travel writer.
While political debates might suggest that the question of climate change is yet unresolved, the world of industry and commerce is convinced that global warming is real, and imminent.
Big Think blogger Michio Kaku writes that a "perfect storm" of wind and ice conditions turned the Icelandic volcano eruption into a crisis. He gives three scenarios for what we can now expect.
"Although there must be a physical limit to how many memories we can store, it is extremely large. We don’t have to worry about running out of space in our lifetime," writes Paul Reber.
"Right now, America has neither the opportunity nor frankly the balls to do truly big things on Arab-Israeli peacemaking," writes Aaron David Miller.