space
The Only Known Sound in Space Is This ‘Singing’ Black Hole

Everyone knows there is no sound in space. After all, a sound wave requires a medium, like air or water, to travel through, and space is mostly a vacuum. But in studying a nearby galaxy cluster, astronomers detected a true occurrence of sound in space – and in this case, the incredibly deep sound was coming from a black hole. Read More >>

music
What Caused Carnegie Hall to Lose Its Famous Acoustics in 1986?

In May 1986, the venerated Carnegie Hall concert venue in New York City shut down for 30 weeks of major repairs. The beautiful music hall had hosted legends including Peter Ilyich Tchaikovsky, Judy Garland, Duke Ellington, Ray Charles, Sarah Vaughan, and The Beatles, but after nearly 100 years, the building was in serious need of renovations. Read More >>

science
What Caused the Loudest Underwater Sound Ever Recorded?

In 1997, scientists with the U.S. National Oceanic and Atmospheric Association were recording the sounds of underwater volcanic activity when they picked up a noise that was so incredibly loud—louder than any underwater sound ever detected—that they initially thought it must be an equipment malfunction. But then another underwater microphone picked up the same noise... over 3,000 kilometres away. Read More >>

watch this
What’s Causing the Mysterious Hums Heard Around the World?

People in cities around the world – from Taos, New Mexico, to Windsor, Ontario, to Blackburn, England, to Auckland, New Zealand – have reported hearing strange humming noises that have no obvious source. The hums are often compared to the sound of idling trucks, and for the people who can hear them, they can be maddening, causing nausea and insomnia. Read More >>

health
Don’t Use Spray Sunscreen

I love sunscreen. I wear it every day, even in the winter. Applying sunscreen regularly is one of the few things you can do to directly prevent cancer (skin cancer is the most common form of cancer in the UK). It’s also the best anti-ageing product you can use. Do you know why older skin gets dull, wrinkled, and spotted? It’s because of years of exposure to the sun. Read More >>