Dive into the devastation wrought by Hurricanes Harvey, Irma and Maria. How can scientists better predict these storms, and what does the 2017 season tell us about the likelihood of similar storms in the future?
More than 12 million Americans have sent their DNA to be analyzed by companies like 23andMe and AncestryDNA, but what actually happens once the sample is in the hands of testing companies? What are they looking at and how accurate are they?
As global temperatures rise, scientists are exploring geoengineering solutions, from planting trees to sucking carbon out of the air to physically blocking out sunlight. But would it work? And what are the risks of engineering Earth's climate?