Thousands of previously undescribed protein–metabolite interactions have been mapped by analysing outbred mice.

Biologists have long known that amino acids can help stabilize proteins, for example as additives to pharmaceutical formulations. In trying to understand why this works, EPFL and MIT researchers have ...

Your body produces this nonessential amino acid on its own, but you can also get D-aspartic acid from foods like beef, nectarines, eggs, and asparagus.