Who is going where? How long do they stay? How much do they spend?
Some drugs classified as highly dangerous are less harmful than alcohol or tobacco
Cheating is not a reason for separation, the study showed
The discovery helps understand the particular biological and behavioural adaptations between human ancestors
"Now we have the tools by which we can actually extract and sequence entire genomes directly from the skeletal remains of ancient individuals"
Also, one in 10 children are obese by the age of five, rising to one in five by age 11
They left their mark in Europe and central Asia and on the genes of many people today
The effect of microgravity is just one of many hurdles researchers must clear before safe human reproduction beyond earth becomes technically feasible
Truth is always the first victim...
In the study, working long hours was defined as working 10 hours at least 50 days per year