Texas State University

Although wind turbines may be a valuable source of eco-friendly energy, they do have at least one drawback – bats are frequently killed by their spinning blades. A promising new system is designed to help keep that from happening, however, by producing an ultrasonic acoustic field.

​Bikram yoga is performed in a room that's heated to around 40 ºC (104 ºF). While it has a number of claimed health benefits, a new study suggests that when it comes to vascular health, it might just as well be done at room temperature.