This system, called echolocation, helps them catch flying insects on the wing and avoid obstacles at breakneck speeds. Some bats can detect objects as fine as a human hair, just by sound alone.

A method for obstacle detection using the sound that a drone naturally emits is proposed. The sound emitted from a vehicle, ego-noise, is often considered a complicating factor for mission fulfilment, ...

Washington, DC: The Executive Board of the International Monetary Fund (IMF) concluded the Article IV Consultation with Nigeria. 1 The Nigerian authorities have implemented major reforms over the past ...

Life sciences writer Susan Milius has been writing about botany, zoology and ecology for Science News since the last millennium. She worked at diverse publications before breaking into science ...

It’s thought that echolocation also plays a part, but it’s not quite clear if this is the case or its role in dolphin communication. Thanks to programs like the Dolphin Communication Project, there ...

When hunting for food, sperm whales are able to dive more than 3000 feet deep. Sperm whales use their noses to use echolocation, which sends out a series of clicks, that allows them to focus in on ...