High food prices have often been cited as a factor behind mass protest movements. But a group of researchers say food prices can actually be used to predict when social unrest will occur. And according to their mathematical modeling, we've hit the threshold for more waves of riots.
Decades ago, kids were encouraged to play outside and explore the outdoors. Nowadays, protective parents have reined in their children, leading to strictly structured (and supervised) playtime. The kids don't seem to be fighting it, but do these new rules stymie childhood creativity?
Tiny ocean organisms known as plankton are vital to life on Earth, generating enough oxygen to account for every other breath you take. As climate change alters the temperature and acidity of our waters, these mysterious ocean creatures may be in jeopardy.
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