Former US Labour Secretary Robert Reich argues Donald Trump's domestic and foreign policies, from the Capitol attack to threats against nations, fray the moral fabric of civilisation. Read the analysis.
An Oxford professor predicts octopuses could evolve to build underwater cities and hunt deer if humans go extinct. Explore the science behind this startling evolutionary speculation.
Groundbreaking archaeological discovery reveals how the Norte Chico civilisation in Peru adapted their society and agriculture to withstand a catastrophic climate shift that wiped out contemporary cultures.