A protein prevents plants from premature flowering

The induction of flowering is of major importance from an ecological and agronomic point of view. Environmental factors regulate flowering time, the mechanisms of which have been the subject of many studies. A team has discovered that UV-B, a type of radiation that is a natural component of sunlight can be a powerful inducer of flowering, but that a protein called RUP2 blocks their action to prevent early flowering.

Facebook is dominating the Stories format

Facebook released updated daily active user counts for Stories on Facebook and Messenger today, and the news isn’t great for Snapchat. The company said at an event in New York City today that it now has a combined 300 million daily users across the two services. Liz Keneski, user experience research manager at Facebook, tells The Verge this combined number doesn’t account for double dipping, so a user who posts the same thing on Messenger and Facebook Stories is only counted as one user, not two. (Whenever a story is posted to Messenger it automatically populates on that user’s Facebook page.)

It’s unclear whether most users are accessing Stories through the Messenger or Facebook app, but the company did say in May that Facebook Stories h…

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