Contact lens for diabetics

Google is working on a contact lens that can measure glucose levels in tears. Readings apparently can be taken as often as once per second.

Full story here

Winter blues

SAD is not a myth. It is a mental disorder that is incompletely understood and also something that is complicated by questions about the role of evolutionary biology.


In order to meet the qualifications for a SAD diagnosis, according to the Mayo Clinic, an individual must be show the following:

• depression and other symptoms for a minimum of two consecutive years during the same season.
• depression-free periods following episodes of depression
• unexplained behavior and mood changes.

Read more: Seasonal affective disorder: who suffers what's the best treatment | TIME.com http://healthland.time.com/2014/01/10/can-winter-really-make-you-sick-the-truth-about-seasonal-affective-disorder/#ixzz2q1IXd3yu

Promising cancer research

Cancer-killing "sticky balls" can destroy tumour cells in the blood and may prevent cancers spreading, early research suggests.

Scientists at Cornell University, in the US, have designed nanoparticles that stay in the bloodstream and kill migrating cancer cells on contact.

Full BBC article here