taste receptors

We know that a gene can determine how strongly we experience bitter flavors. Scientists wanted to know if this was also true for sweet. Their study shows genetics may affect our taste for sugar, too.

Savory fish are a staple for penguins, but the poor birds lack the ability to taste the umami flavor of their meals. One hypothesis? The genes at play got frozen out of commission.

Researchers have found a gene that affects how strongly you experience bitter flavors. And those who aren't as sensitive eat about 200 more servings of vegetables per year.