Health and Medicine How many lives do vaccines save? Scientists wanted to measure the benefits of expanded vaccination programs in 98 countries.
Biodiversity and Conservation Why are catfish bad neighbors for allis shad? Scientists wanted to find out if the introduced European catfish are a threat to the endangered allis shad.
Physical Science How can your smartphone make water safe to drink? Scientists developed a small device and an app which can be used with a smartphone to kill harmful bacteria in water.
Social Science How can philosophy help kids’ mental health? Researchers wanted to know if philosophy with children had a positive impact on their mental health.
Technology How can rescuers quickly find people lost at sea? Scientists created a new method of using information about the ocean to help rescuers find missing people quickly.
Pollution How can poop be cleaned and reused? Researchers wanted to find out if they could build a low-cost wastewater treatment option using only materials found locally in Madagascar.