Q&A
Why is Mars red?
For centuries – maybe millennia – humans have wondered why Mars has a reddish hue
What do my farts say about my health?
Plus, what you can do if you're suffering discomfort
What are some of the spookiest experiments we've ever done?
Definitely best not to try these at home...
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Why Christmas with family overwhelms your brain (and how to cope)
Affective labelling and scheduled escapes: the psychological tactics you need for a merry (and sane) Christmas.
How to prime your hunger hormones to avoid over-indulgence this Christmas
Breakfast or no breakfast on Christmas day?
Why scientists once thought the platypus was an elaborate hoax
The platypus is such a strange animal that it was originally thought to be an elaborate hoax by pranksters
How deep can a penguin dive?
Penguins are skilled divers, transitioning from land to water with smooth movements. But what's the deepest a penguin can actually dive?
Can any animals see in infared?
While infrared light is invisible to most animals, there are some, including salmon, bullfrogs and snakes, that can see it
This 'phantom' jellyfish is bigger than a bus – and keeps lurking in shallow waters
New (very rational) fear unlocked – thanks nature
Do I have alexithymia?
If you struggle to identify your feelings on a regular basis, you might just have alexithymia – here's how you can know if you do
How many spiders are in my house?
Your house may contain dozens of spiders. Or far more...
How many organs could I survive without?
The human body is a remarkably resilient thing, as many case studies of people surviving without organs tell us
How stable is my personality?
Various studies have looked at how personality changes over our lives
What's the smelliest thing in the world?
The human nose can have wildly different sensitivities to odour molecules, but there is one chemical that made people vomit and go unconscious
Could I get phone signal on the Moon?
Companies are racing to put 5G on the Moon, an expert explains why as several missions are planned to visit our lunar neighbour
What's the most secret weapon we know about?
Countries around the world have stores and stores of weapons, but what is the biggest secret we know about?
Should I start sniffing rosemary?
A centuries-old idea is getting modern scientific backing
Can chemicals in clothing mess with my hormones?
Endocrine-disrupting chemicals (EDCs) in clothing and in rugs can disrupt your hormone levels. Here's what you can do about it
What is the most dangerous fish to eat?
Pufferfish is considered the most dangerous fish to eat; it is poisonous, potentially fatal. But if sliced properly, it can be quite tasty
Can animals smell death?
How one fallen creature can set off a chain reaction of chaos
Should I keep my car keys in a faraday box?
Car thieves are coming up with new ways to steal keyless vehicles, could keeping your fob in a faraday box stop your car from being stolen?
Are breakfast cereals actually healthy?
While some breakfast cereals deliver little more than sugar, others can be a vital source of vitamins and minerals
Do any foods taste better in space?
How does food taste in space? Bland, say astronauts on the International Space Station
Can noise-cancelling headphones damage my ears?
Noise-cancelling headphones can help us listen to the music we love at lower volumes, but do they cause any damage to our hearing?