Appetite drug shows promise in treating obesity

Participants lost around 15% of their body weight on average. Rostislav_Sedlacek/ Shutterstock A recently published clinical trial of the anti-obesity drug, semaglutide, has produced a degree of weight loss which has led some to dub the medication a “game changer” in the treatment of obesity. The trial looked at 1,961Continue Reading

Why do antibodies fade after a COVID-19 infection, and will the same thing happen with vaccines?

Antibodies (blue) neutralising SARS-CoV-2 (orange), the virus that causes COVID-19. Kateryna Kon/Shutterstock The goal of the COVID-19 vaccines being rolled out worldwide is to stimulate our immune systems into creating a protective response against the coronavirus, particularly by generating antibodies. These antibodies then circulate in our blood until needed inContinue Reading

Quantum leap: how we discovered a new way to create a hologram

Inna Bigun/Shutterstock Once, holograms were just a scientific curiosity. But thanks to the rapid development of lasers, they have gradually moved centre stage, appearing on the security imagery for credit cards and bank notes, in science fiction movies – most memorably Star Wars – and even “live” on stage whenContinue Reading