Farmers should save their cows’ numbers in their phones because cows can now send farmers a text message when they’re feeling under the weather. Austrian startup SmaXtec built a half-pound, hot dog-size, Wi-Fi-enabled sensor that can be embedded into a cow’s stomach to detect the pH of the cow’s stomach and other factors in order to send farmers a message before the cow gets visibly sick. […]

Rules for drone use took flight on Tuesday after the White House released a set of regulations on the use of these unmanned aerial vehicles. The Federal Aviation Administration’s rules pertain to drones used for hobbies, although the administration also addressed future uses for commercial drones.