Smoking weed is now a human right in Mexico
Mexico has ruled that banning personal use of cannabis violates the human right to free development of one's personality. Will other countries follow suit?
Ultrasound prises open brain’s protective barrier for first time
Directed ultrasound can non-invasively disrupt the protective barrier surrounding the brain, which could allow drugs through to treat cancer
Pope’s call for action on climate change has shifted US views
A representative survey of 900 people in the US reveals that many are more concerned about climate change since the pope issued his call to action
Russia faces ban from athletics over doping scandal
Russia has been accused of having a state-sponsored doping programme that could see the country's athletes kicked out of all international competitions
Pluto surprises with ice volcanoes and alien weather
New revelations from NASA's New Horizons probe shows Pluto's diverse geology is blanketed with a more compact atmosphere than we thought
Growing corals bathe themselves in acid without suffering damage
A coral reef has been seen raising the acidity in the water around it, suggesting that corals may survive ocean acidification caused by climate change
Carbon emissions hit new high and temperature rise soars to 1 °C
Carbon dioxide levels may average above 400 parts per million for the first time in 2015, as the rise in global temperature surpasses 1 °C
Alzheimer’s drug found to cause harm to mouse brain cells
An antibody in trials to treat Alzheimer's in humans has been shown to be damaging in mice, causing neurons in their brain to become hyperactive
‘Death clock’ in cells could tell you when you’ll get cancer
How fast we age and whether we get cancer may be predetermined by two "clocks" found in almost every cell in the human body
ExxonMobil faces inquiry on what it knew about climate change
The oil giant is to be investigated over alleged suppression since the 1970s of research revealing the effect of fossil fuels on the climate
