BBC Focus Magazine

10 Magazines | 14,824 Followers | @sciencefocus | The official Flipboard page for BBC Focus Magazine, explaining science and technology since 1992

What are the top 10 elements in the human body?

(By proportion of total body mass)<p><b>Read more:</b><p><i>Subscribe to BBC Focus magazine for fascinating new Q&As every month and follow @sciencefocusQA on</i> …

Top 10

Five quick facts about Victorian quacks

BBC Two’s gruesome comedy about Victorian doctors is sure to leave you feeling squeamish, but real-life 19th century surgery will have you</i> …

Medicine

Science Focus Podcast: What's the deal with algorithms?

Algorithms are everywhere, and in this Science Focus Podcast we talk to mathematician Hannah Fry, who tells us all about the good, the bad and the …

Mathematics

Is it possible to ‘catch’ an accent from someone?

As social creatures, humans are good at blending in.<p>If you spend enough time with them, it’s almost inevitable. Studies have found that we …

BBC

Why bad animal behaviour isn't as brutal as it looks

Science and Wildlife presenter Liz Bonnin returns to our screens with her new series Animals Behaving Badly – we ask where the naturally naughty …

Animals

What’s the simplest unsolved maths problem?

It may be "simple", but the problem is a little trickier than a multiplication question...<p>If by ‘simplest’ you mean easiest to explain, then it’s …

Mathematics

Space wars: the new arms race above our heads

Forget the traditional battlegrounds of land, sea and air. Rapid developments in technology and our reliance on satellites for everything from …

War

Who really discovered the first exoplanet?

While speculation about planets beyond the Solar System dates back over 2,000 years, actually finding them proved hard – and controversial.<p>During the …

Universe

If the Universe is expanding, why is the Andromeda galaxy on course to collide with the Milky Way?

The galactic collision will create quite the spectacle in the night sky four billions years from now.<p>The expansion of the Universe is a large-scale …

Universe

The thought experiment: What is the carbon footprint of an email?

Carbon emissions may not be the first thing on your mind when you hit that send button, but emails are responsible for as much CO2 globally as seven …

Carbon Emissions

Does the plastic debris found in bottled water affect our bodies?

Plastic in the water, plastic in the air, plastic everwhere!<p>Almost certainly, although we still don’t know how serious the harm is. Plastic particles …

Pollution

Can smart speakers eavesdrop on our conversations?

Listening… always listening.<p>Smart speakers sit quietly in your room, listening to you all the time. They are waiting for key phrases such as ‘Hey …

Smart Speaker

Why did sleep evolve?

Sleeping may seem like a waste of time (unless you're having a well-deserved lie in), but it's critical to a healthy waking life.<p>Scientists disagree …

Sleep

Does a computer know that it’s a computer?

Despite how frequently computers and robots become self-aware in films, we’re not there yet.<p>Despite all the amazing advances in AI, there’s no …

Consciousness

Jurassic Park: five things we now know about dinosaurs 25 years on

As one of Steven Spielberg’s best films turns 25, we look back at how our understanding of dinosaurs has changed over the last quarter of a</i> …

Jurassic Park

Science Focus Podcast - Is there anybody out there?

There are 100 billion stars in our Galaxy – surely we can’t be the only intelligent lifeform out there? In this week’s Science Focus Podcast we ask …

sciencefocus

Where is your experience?

When you create a memory, where is it stored, and what does it look like? The answer might be a no brainer…<p>Where is your experience? The question …

Consciousness

Welcome to Asgardia - the cryptocurrency-funded nation with eyes on the Moon

In ancient Norse mythology, Asgard, home to the gods, was a city in the sky – now a group of regular people on planet Earth have a project to build a …

Moon

Is space junk a serious problem?

And you thought cleaning up your flat was a chore…<p>Debris in space, which has been accruing since the 1950s, is a well-documented problem. NASA …

Space

What proportion of the human body is bacteria (and how do we measure it)?

Next time you try washing your hands with antibacterial soap, consider that there's at least as many bacteria in your body as human cells.<p>For …

Bacteria

Could the ocean ever become too salty for life to exist?

It may taste good on crisps, but too much sea salt can be harmful to fish and plants.<p>In the open ocean, whatever water evaporates must eventually …

Seafloor

What do nerve agents do to the body?

You'd be right to feel nervous about these dangerous organic chemicals.<p>Nerve agents attack the human nervous system. Our bodies use a …

Nerve Agents

Is there a male contraceptive pill yet?

A new birth control method is on the horizon.<p>We’re getting closer. Dimethandrolone undecanoate, or DMAU, is still undergoing trials, but initial …

Contraception

Could we get antigravity from antimatter?

Despite the similarity in their names, the two are most likely unrelated. But the quantum world might hold more secrets yet...<p>As its name suggests, …

Physics

Six animals that could power up the World Cup

With the World Cup final fast approaching, we’re looking to the animal kingdom for inspiration - if FIFA were to relax the humans-only rule, these …

Harry Kane

Belka and Strelka - Russia's canine cosmonauts

In this Science Focus Podcast we talk to Vix Southgate about the dogs Belka and Strelka – the first two creatures to go into orbit and return safely …

Celebrity Gossip

Do birds wee?

“It’s pee, Jim, but not as we know it…”<p>Yes, but not like we do! Birds get rid of excess nitrogen by converting it into a paste-like substance called …

Reptiles

Is it better for the environment to be buried or cremated?

Our impact on the planet doesn’t stop when we die.<p>It takes 285kWh of gas and 15kWh of electricity to cremate a single person. The CO2 this generates …

Archaeology

How do scientists weigh a planet?

It would be a little difficult to plop Jupiter on a scale…<p>We can weigh a planet (or, more correctly, find its ‘mass’) by using Newton’s Law of …

Astronomy

Is it better to walk or run in the rain?

One thing’s for sure – both will probably help keep you drier than singing in the rain.<p>It’s a question many of us ask when caught in a downpour: is …

Weather