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Daniel Altman offered predictions for what the global economy would look like 10, 20, 40 years down the road. How did he do with these predictions and what does it mean for economic opportunity around the world?
In today’s lesson, Ross Pomeroy explores how researchers are learning how the parasite is Toxoplasma gondii “weasels its way into the brain,” producing “some subtle and startling changes in the host’s behavior.”
This picture is not of an alien invasion. It is a thunderstorm cloud called a supercell that was photographed in Glasgow, Montana. 
Popular folklore advises against eating on the go because it causes indigestion, contributing to discomfort and weight gain, but to ask medical professionals, you might think what your mother told you was not entire accurate.