Dr Karl: Need to Know
Neanderthal DNA kills superbugs
Proteins found in ancient Neanderthal DNA might help fight modern antibiotic resistance.
Category: Dr Karl: Need to Know
Dr Karl: Need to Know
At this exact time every year more than 90% of the world’s population are in sunlight
On Reddit, I came across the following statement: “Every year on 8 July at about 11.15 Coordinated Universal Time (UTC), approximately 99.164 per cent of the world’s population is between dawn and dusk.” Amazingly, it turns out to be only 6 per cent wrong!
Dr Karl: Need to Know
Dr Karl explores the shapeshifting world of worm blobs
There seems to be strength – and intelligence – in numbers.
Dr Karl: Need to Know
Dr Karl: Yes, humans are stardust
The Joni Mitchell song “Woodstock” has the following, surprisingly accurate, lines: “We are stardust, we are golden, we are billion-year-old carbon”.
Dr Karl: Need to Know
Dr Karl explains the ‘Wobbling Scale’ of animal drunkenness
Surprisingly, rotting fruit can ferment and reach a level of 4 per cent alcohol – close to, but not quite, the 5 per cent of beer.
Dr Karl: Need to Know
What are atmospheric rivers?
Although they’ve been around for millennia, atmospheric rivers were only discovered by humans during the past 25 years.
Dr Karl: Need to Know
Dr Karl’s message to flat-Earthers
It’s amazing that in the 21st century there are people who believe Earth is flat!
Dr Karl: Need to Know
Need to know: Bird poo hue
Why is most bird poo white, even though birds eat food of many different colours?
Dr Karl: Need to Know
The Min Min Mystery
An Australian neuroscientist has solved the mystery of Min Min lights.
Dr Karl: Need to Know
A quick guide to help you understand coral bleaching
Here, Dr Karl explains the number one problem facing our Great Barrier Reef: coral bleaching caused by climate change.