Stephen F. King, CERN Courier
Explaining the bizarre pattern of fermion types and masses has led theorists to explore more complex symmetry groups than the Standard Model's, with recent work suggesting that the flavour scale could be at a much lower energy than previously thought.
David Richmond, Project Syndicate
Niger's government is sounding the alarm about bogus meningitis vaccines and it is not the first time. Five years ago, hundreds of Nigerien people died after receiving fake vaccines. The problem, of course, is not vaccines. It is the widespread distribution of substandard and falsified medical products. And it is a problem that disproportionately affects Africa.
Josh Bloom, ACSH
Heroin, not oxycodone or hydrocodone, is by far the most dangerous opiate on the street. But technically, it isn't dangerous at all. And it's not necessarily a "street" drug because It can be legal. Confused? Read on, because here's a bunch of stuff you might not know about heroin.
Kristin Heineman, The Conversation
Waiting for the weekend can often seem unbearable, a whole six days between Saturdays. Having seven days in a week has been the case for a very long time, and so people don't often stop to ask why.Most of our time reckoning is due to the movements of the planets, Moon and stars. Our day is equal to one full rotation of the Earth around its axis.
