Scientists uncover dark new behavior among bloodthirsty rats that could soon sicken people

More from Science & Technology

• Multiple earthquakes rock home of world's biggest tech companies in Silicon Valley

• The ideal body, according to AI: Scientists ask bots what the perfect man and woman look like - so, do you agree?

• Why the 'arm cutting' scene in 127 Hours makes you squirm: Scientists reveal how your brain simulates pain it sees on screen

• Physicist proposes radical new theory of consciousness - and it could finally explain what happens when you die

• The rise of 'polite littering': Brits are strategically placing rubbish on window ledges, bushes, and lamp posts because they can't be bothered to find a bin

• Calorie labels are a SHAM! Eye-tracking study reveals how information on menus only influences people who are already actively trying to lose weight

• Forget Yellowstone or Etna! 'Hidden' volcanoes pose the greatest risk to the world, scientists warn - after little-known mount erupts in Ethiopia

• Revealed: The exact age your brain starts to decline

• Religious leader issues doomsday warning for the end of 2025: 'The last day of this world'

• Dying for fame: Singers die 4 YEARS earlier than non-famous people on average - and their celebrity status is to blame, scientists say

• Dark matter is seen for the first time: Eerie image shows first direct evidence of the elusive substance that makes up 25% of the universe

• Gruesome death ordered for 172 bears as hunt ritual is approved for first time in more than a decade

• Leaked recording reveals Campbell's exec's sickening remarks about iconic soup's ingredients

• The core traits of INCELS: Scientists identify 6 key characteristics in disturbed, women-hating men

• Florida AG launches probe into Campbell's over claims of '3D-printed meat' in beloved soup

• Disney brings Olaf to life! AI-powered snowman robot can walk and talk just like the Frozen character - as delighted fans say 'it's like he jumped right off the screen'

• The modern builder's brew: Survey reveals strong cuppas have fallen out of favour - with tradespeople now opting for a 'balanced medium shade'

• US military accused of using nuclear weapons to bring down UFOs for secret tech grabs

• Brollies at the ready Brits! UK rainfall is at a level not expected until 2048 - and it's set to get even WETTER

• Neuralink's 'Patient 4' feared missing months after getting revolutionary brain chip... now his wife tells the REAL heartbreaking story