Not everything that tastes bitter is potentially harmful—but why?

A bitter taste is traditionally considered a warning sign of potentially toxic substances. But not all bitter substances are harmful. For example, some peptides and free amino acids taste bitter, even though they are non-toxic, ...

Boeing's Starliner finally ready for first crewed mission

Launch day is finally here: Boeing's Starliner capsule blasts off Monday to the International Space Station on its first crewed mission—several years after SpaceX first achieved the same milestone.

Researchers discover how we perceive bitter taste

Humans can sense five different tastes: sour, sweet, umami, bitter, and salty, using specialized sensors on our tongues called taste receptors. Other than allowing us to enjoy delicious foods, the sensation of taste allows ...

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