You’ve probably heard the bad news about homework: kids are working longer hours than ever before, and it’s driving them nearly insane. At least one major book has made this argument, as have numerous news articles like this one and this one.
Ancient man may have started global warming through massive deforestation and burning that could have permanently altered the Earth’s climate, according to a new study by researchers at the University of Virginia and the University of Maryland-Baltimore County. The study, published in the scientific journal Quaternary Science Reviews and reported on the University of Virginia’s Web site, says over thousands of years, farmers burned down so many forests on such a large scale that huge amounts of carbon dioxide were pumped into the atmosphere. That possibly caused the Earth to warm up and forever changed the climate
In the tree of life, we often envision evolution working like a patient gardener, pruning species that don’t quite fit, bit by bit. But that’s not how extinction works in practice. Throughout our planet’s history, mass extinction has occurred five times most recently 65 million years ago, when the dinosaurs finally died out taking out vast amounts of life all at once, usually due to a catastrophic and sudden climatic change
The White House release of Bush administration torture memos marked another step towards closure in what President Obama called a “dark and painful chapter in our history.” But in Iraq, torture is not a thing of the past, according to the findings of a new study on civilian causalities.