The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical conceptsWhat can penguins teach us about our evolutionary past? Penguins and humans are the only bipedal creatures on the planet that habitually walk upright on land. What does this tell us about our evolutionary past? Neil Hornsby, InvernessPost your answers – and new questions – below or email them to nq@theguardian.com

Source: The Guardian June 30, 2020 11:26 UTC