Catalyst keeps fruit fresh longer

(Phys.org) —Ripening fruit, vegetables, and flowers release ethylene, which works as a plant hormone. Ethylene accelerates ripening, so other unripened fruit also begins to ripen—fruit and vegetables ...

May 13, 2013 4.9 / 5 (8) 1 | with audio podcast

Why don't beetles freeze in the winter?

For 37 years, Queen's University Biochemistry professor Peter Davies has been unraveling the mystery of why some organisms including insects and fish don't freeze in the winter. His research into insect antifreeze protein ...

May 14, 2013 4.8 / 5 (8) 0 | with audio podcast

Bacterium counteracts 'coffee ring effect'‬

Ever notice how a dried coffee stain has a thicker outer rim, while the middle of the stain remains almost unsoiled? This 'coffee ring effect' also occurs in other materials. Researchers from the Departments ...

May 14, 2013 5 / 5 (5) 0

A silky spin on protective armor

At seven times the toughness of Kevlar, a silk produced by the Caerostris darwini spider of Madagascar is more robust than any other material—synthetic or natural. Most spider silks are about two times ...

May 13, 2013 5 / 5 (4) 1

The molecular basis of strawberry aroma

You know that summer is here when juicy red strawberries start to appear on the shelves. In Germany, this seasonal fruit has never been more popular: on average 3.5 kilos per head were consumed in 2012—a ...

May 13, 2013 5 / 5 (2) 0