Children from a school near a popular beauty spot test local water quality over pollution concerns.
Related stories
Why are pets scared of fireworks?
Quantum calculations reveal how spin defects lose energy
Solving the mystery behind a flightless beetle's transatlantic journey
Two decades of publications reveal research institutions becoming more alike worldwide
Fatal Neanderthal wound may be earliest evidence of a wooden spear attack on a human ancestor
Scorecard: Colombia gets top marks while high-emitting countries doing too little to protect health from climate change