Testing the top virtual assistants. Plus, scientists at Penn State are joining forces to fight childhood obesity.
By 1867, settlers wiped out the native elk population in Pennsylvania. Today, the animal is in the midst of an amazing comeback thanks to conservation officers and the science gathered during a limited hunting season. Other stories include women in science, creating your own invisibility cloak, and virtual reality under water.
At Penn State, learn about a network of 30 motion sensors that continuously monitors Pennsylvania for seismic activity. Also, finding the speed of light with peeps, and discover how forests use water.
Discover the Penn State Herbarium where dead plants gain a new life. Also, learn about acoustic architecture. And see how researchers are tracking pelicans with solar power.
