Climate scientist Michael Mann talks about how important it is to take action now—before we see climate change’s worst consequences. Plus, research suggests that comedy is a powerful way to mobilize people. And, after this summer’s heat, marine biologists are scrambling to help protect the rapidly dying reef in the Florida Keys.
With projections of warmer temperatures and rising sea levels, which tourist destinations should you plan to visit sooner rather than later?
Nearly all the body’s cells contain identical DNA. So why does a neuron grow up so differently than a liver cell? Proteins, says Akhilesh Pandey, a professor at the Johns Hopkins University.