In a drought? This tech can literally make it rain
McDonald's is putting cameras in dumpsters. Here's why
Watch this drone swarm replant a burnt forest
Watch the country's first firefighting robot in action
Could this be the cure to our plastic problem?
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Could mushrooms be the key to replacing plastic?
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These bacteria turn industrial emissions into fuel
Why this startup is making honeybees smarter
These energy kites can go where wind turbines can't
A vaccine against cancer? These dogs are the first patients
Photo Illustration: Getty Images / Loop / CNN
How the world's biggest brands plan to end garbage
New York's secret weapon against big storms? Oysters
From a drop of blood, this company can predict what your face looks like
The startup fighting mushy bananas and shriveled strawberries
Could this giant floating pipe clean up 90% of ocean plastic?