Environment11th-century polymath was the first to recognise past climate change After discovering fossilised bamboo in the 11th century, Shen Kuo deduced that the climate in northern China had been different in the ancient past News
HumansReimagined bicarb volcano could spark your children's love for science Homemade science "experiments" are full of spectacle, but often miss the joy of true discovery. Alom Shaha offers a simple solution with his twist on the classic bubble volcano Regulars