Insect protein could be used to repair damaged blood vessels.
Anyone who has built sandcastles learns they hold up best if a little water is mixed in with the building material. But until now scientists couldn't agree why.
Intense hurricanes, like Katrina, have steadily increased over the last 35 years. Warmer oceans could be the cause.
Ice is melting faster every year, which exposes darker surfaces that absorb more sunlight, making things worse.