2. One of its unique diet choices is to eat baby crocodiles, showcasing an exceptional and specialised behaviour. 3. The shoebill is characterised by its giant, shoe-shaped beak that helps with ...

Frequency is a measure of the number of vibrations a sound wave makes per second. For example, a sound measured at 4,000 Hz vibrates 4,000 times per second. The frequency, which is the pitch of a ...

My saving grace? Noise-canceling earbuds. Also: The top headphones overall in 2025 As someone who reviews tech for a living, I've tested the best noise-canceling earbuds on the market in every ...