Scientists have discovered that orcas can imitate human speech.
IKEA consumes 1% of the world’s supply of wood and 1% of its cotton.
The 41 detainees at Guantanamo Bay cost the US taxpayer $440 million a year.
Australian researchers have discovered that eucalyptus trees react to heat waves by sweating.
US scientists have found a way to switch off the part of a mouse’s brain that makes it anxious.
Nigeria has fielded the first African bobsled team.