Quiz show. Ben Shephard returns to pit four players against a mesmerising machine. There are mystery prizes and a jaw-dropping jackpot up for grabs in this thrill-packed quiz!

The cost of reversing the effects of climate change -- restoring melted polar sea ice, for example -- quickly climbs nearly fourfold soon after a tipping point is crossed, according to new work. Much ...

Thanks to the dire condition of the Earth's coral reefs, the planet has now reached its first tipping point for human-caused climate change, according to a new report by scientists in Europe. The ...