SoT 114: Frankenburger
Scientists have made "teeth-like structures" from stem cells generated from urine.
\nMark Post, a Dutch researcher has made a hamburger from cow muscle grown in a lab. The Cultured Beef was cooked at a PR event in London and tastes "close to meat".
\nBrochosomes are tiny 'soccer-ball' structures secreted by leafhoppers that protect them from rain, spider silk and... their own waste.
\nA new technique developed by the CSIRO uses X-Rays to find gold in ore samples.
\nFewer boys than girls were born in the months after the huge earthquake struck Japan in March 2011.