Simon John James and Richard Bower chat about differing conceptions of what it is to travel through time.
Weather forecasting stopped looking for patterns in the past, and started using numbers to look solidly at the future.
The "decision science" approach helps avoid unanticipated consequences of programs to bring species such as New Zealand's little bush moa, Waitomo frog, or laughing owl back from extinction.
Maëlle, 7, wants to know why some shells are smooth, while others are corrugated. It turns out that while corrugated shells are strong, smooth shells can move fast.
The internet is changing how urban legends are spread – and helping to create new ones.
It turns out that children as young as three can actually understand some forms of irony.
On World Press Freedom Day, we must deal with the threat data collection and surveillance poses to journalism.