Opinion
Read expert opinions from the world's leading scientific minds on everything from science's big conundrums and latest research outcomes to future science
A way with whales
What does it feel like to be swimming with a 15-metre-long, 45-tonne sperm whale 鈥� and feel a powerful click pulse through your body as it investigates you with its sonar? Hal Whitehead is one of the few who know. He follows sperm whales acro
Opinion
