China's Mach 30 Wind Tunnel

China has developed a testing wind tunnel that can operated a speeds up to Mach 30, using a series of timed explosives that off each other onto a single point. This interesting article describes the Chinese breakthrough, as well as the other methods deployed by other wind tunnels. Unfortunately, this new wind tunnel is most likely being used to test a hypersonic nuclear missile.

Insulin Lettuce

Researchers at the University of Pennsylvania have created a plant based insulin that can be delivered orally and stored at room temperature. Their method seeds lettuce cell walls with human insulin genes using a gene gun, and then selectively breeds generations of the plant that maintains the insulin, which can then be ground up and shelf stored.


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