Study finds playing Tetris may reduce impact of PTSD bit.ly/IIWq58

Study finds sports and energy drinks erode tooth enamel bit.ly/Jgkrin

Harry Potter inspires paper that spells out blood type via @writerswrite

Facebook adds organ donor status bit.ly/K7NlG8

Video: Timelapse of fertilization of a human egg under the microscope via @science

Nutella settles lawsuit over health claims bit.ly/IiVbMm

Scientists make human blood vessels in the lab bit.ly/IptPTZ

Dental X-Rays linked to common brain tumor say researchers bit.ly/JrPZUv

Scientists explain what causes the 'brain freeze' headache via @science

Study: Small exposure to common heavy metal promotes aggressive breast cancer bit.ly/Irtgb2