A partnership based on equality is less effective than one that has a dominant partner
Screaming interferes with pain messages travelling to the brain, enabling us to tolerate more of it
Memory neurons put us to sleep so we can convert short term memories into long term ones
Cheerful people are twice as likely to be in ideal cardiovascular health compared to their pessimistic peers
Most tumours are not caused by lifestyle habits or faulty genes, but plain bad luck
Our primate ancestors developed an ability to consume alcohol 10 million years ago
A study claims that gay social behaviour helps form bonds with others of the same gender