Vitamin D appears to regulate insulin production in the pancreas, and a deficiency could raise diabetes risk.

CNN: Vitamin D may be essential for heart health

Enzymes, too, are proteins, and so are the transcription factors that regulate their production.

ECONOMIST: A hitherto-unknown way to evolve

Firms that produce pesticides, and the authorities that regulate them, are aware of the importance of bees to food production, and new products must be tested to make sure they are not fatal to helpful insects.

ECONOMIST: Bees and insecticides

Some critics were quick to dismiss the new food safety authority, because the group is designed to advise, but will not be able to regulate food production and handling.

CNN: Food Central - European Union to create food safety watchdog