Listen to the terrifying sound of Earth's north and south poles 'flipping' 780,000 years ago - as experts warn another flip could be imminent

More from Science & Technology

• BT is back online after three-hour outage that left thousands of Brits unable to access their emails

• Heartbreaking footage reveals a plastic 'death trap' in birds' nests - with chicks getting entangled in ropes that strangle their limbs

• Britain's favourite EMOJIS revealed: Interactive tool charts the popularity of 1,000 characters - so, how does your favourite stack up?

• Kew Gardens' Palm House is getting a £50 million climate-friendly makeover: Iconic Victorian glasshouse will SHUT for four years in major net zero push

• Groundbreaking discovery at ancient city of Troy may prove legendary Trojan War true

• The weirdest medieval medicines you could try today…if you dare: Scientists say Dark Age cures were 'way more sophisticated' than we thought - so, would YOU try lizard shampoo?

• Rise of the 'Oodles': Designer poodle crossbreeds are surging in popularity - so, do you know your Bolonoodle from your Chipoo?

• Urgent warning to Brits over an influx of WASPS: Pest control expert dubs 2025 the 'year of the insects' - and warns monster nests have already reached the size of space hoppers

• You're washing your clothes at the WRONG temperature says top TV doctor - he pinpoints setting needed to 'kill bugs'

• Social media users are CONVINCED a popular emoji has disappeared - so, do you remember it?

• True origin story of the Grand Canyon revealed in new study

• Revealed: The secret eye signal that will instantly get you what you want, according to scientists

• Urgent recall for popular yogurt brand over fears it contains shards of PLASTIC that could slice throats

• I'm an FBI spy hunter. This is the biggest threat we face... and it could destroy us all

• Another blow for Elon as his $40b obsession collapses

• 10m Americans in multiple US states told to shut windows TODAY as toxic chemicals spark air quality emergency

• Joe Rogan in awe by son of music icon's encounters with orb-shaped UFOs: 'That's crazy'

• Experts on high alert as multiple volcanoes in 'Pacific Ring of Fire' suddenly come to life

• Odds of tropical storm Dexter forming off Florida coast INCREASE as flight chaos erupts

• Six popular Apple devices are now classed as VINTAGE - and may leave users unable to get repairs if they break