Rare agave plant finally blossoms after 57 years

Experts at the Cambridge University Botanic Garden have finally gotten to see a giant agave plant bloom after waiting for 57 years. The rare "tequila plant" grew as much as four inches per day over the summer and is now nearly 15 feet tall.  The much-anticipated buds started to appear on the plant in June, but the yellow flowers did not blossom until earlier this week. By the time the massive plant stopped growing, staff members were preparing for it to bust through the roof of …