Archive of articles published on the 18th of June 2015

Poor sleep associated with increased risk of heart attack and stroke
Eating up to 100 g of chocolate daily linked to lowered heart disease and stroke risk
ALMA precisely measures black hole mass
Study provides insights on chronic lung disease
ALMA weighs supermassive black hole at center of distant spiral galaxy
Titan's atmosphere even more Earth-like than previously thought
Kennewick Man closely related to Native Americans, geneticists say
Galactic crashes fuel quasars, study finds
Staying cool: Saharan silver ants
NASA's Hubble sees the 'teenage years' of quasars
Recalling positive memories reverses stress-induced depression
Mantis shrimp inspires new body armor and football helmet design
Adult craze for human breast milk purchased online poses serious health risks
Hubble views a bizarre cosmic quartet
Not-so-guilty pleasure: Viewing cat videos boosts energy and positive emotions
Has breast milk become an Internet commodity, and not just for infants?