An image of a locked door displays if you try to access any of the locked subreddits. Photo: reddit.
Reddit rebellion: huge chunks of the site have gone down following a staff member’s departure
By Barbara Speed - 03 July 0:00

Victoria Taylor, administrator of the popular "Ask me Anything" section, has left the site under mysterious circumstances.

Let it rip. Image: Getty Images
From Big Bang to Big Rip: how will the universe end?
By Tosin Thompson - 02 July 15:58

The universe is a very sticky place, but how sticky is it? Could it favour the “Big Rip” demise of the universe?

Can we save the world? Photo: Alexander Gerst / ESA via Getty Images
Why game theory is our last hope to avert Armaggedon
By Michael Brooks - 02 July 9:49

We can spot catastrophes that could kill us – but can we come together to stop them?

Home to roost: the robin was recently voted the national bird but the house martin is our true human familiar. Photo: John Short / Design Pics
House martins, the little dolphins that love to slide on your roof
By Richard Mabey - 02 July 8:47

Martins are in steep decline now, but once their mud-cup nests, slung under eaves, were a familiar sight across Britain.

Hacking the brain: can DIY neuroscience make you happier – and smarter?
By Lucy Jones - 02 July 8:32

Using kit purchased on the internet for £60, trend-setters are perking up their brains with low-level blasts of electricity. Lucy Jones tries it out.

The human heart. Photo: K Sandberg via Flickr.
Blowing in the wind? The mystery of Kawasaki disease
By Jeremy Hsu - 01 July 10:09

Kawasaki disease is one of the leading causes of heart disease among children - but, with a lack of definitive diagnosis or any known cause, it's been puzzling doctors for 150 years. 

Australia Celebrates Baby Boom: A pregnant woman holds her stomach June 7, 2006 in Sydney, Australia. Image: Getty Images.
What's wrong with older mothers? Nothing. Time to dispel the "fertility cliff" myth
By Tosin Thompson - 29 June 17:16

We read between the lines of newspapers' scare stories about infertility and "late" pregnancy to find the science doesn't back them up at all.

Separation from our mobiles impacts our cognitive, emotional and physiological wellbeing. Image: Getty.
Can't survive without your phone? You could be suffering from nomophobia
By Fiona Rutherford - 26 June 11:35

Our smartphones are fast becoming extensions of ourselves. So what happens when we're separated from them?

The 14th Dalai Lama in 2006. Photo: Yancho Sabev via Wikimedia Commons.
The strange case of the anti-Dalai Lama protesters trolling Glastonbury
By Barbara Speed - 26 June 9:48

A mass of near-identical accounts have been spamming the Glastonbury hashtag over the past week. But who are they, and what do they want? 

How we see is an intriguing question - especially for quantum physics. Photo: Mark Mainz/Getty Images
What does it mean to see something? Take a look at Schrödinger’s cat
By Michael Brooks - 25 June 15:24

It takes only a few photons to trigger our visual sense. Tantalisingly, a few photons can exist in superposition.

Laurie Penny in 2013. Image: re:publica via Wikimedia Commons.
Is Facebook right to insist on your real name - and what counts as a "real name" anyway?
By Barbara Speed - 25 June 10:35

New Statesman columnist Laurie Penny has been removed from the site for using a pseudonym - but, like many others, she feels that the step is necessary to avoid abuse and to guard her privacy.  

A drone like this one will be used to transport abortion drugs into Poland. Photo: Women on Waves.
Meet the woman sending abortion drugs to Poland by drone
By Barbara Speed - 23 June 16:30

“We wanted to draw attention to the different realities of women’s rights within Europe – how different life can be for women just a few hundred metres apart.”

The gmail logo. Photo: Gmail.
Gmail now lets you unsend emails
By Barbara Speed - 23 June 14:34

Google adds the feature to its email service after trialling it for six years. 

A man reads a Kindle in Victoria Tower Gardens. Image: Getty.
Amazon to pay authors according to how many pages people read
By Barbara Speed - 22 June 15:53

The company will pay self-published authors on its lending services per page from next month. 

A still from "Bad Blood", Swift's most recent music video.
Taylor Swift may have won her battle with Apple Music, but the streaming wars aren’t over
By Barbara Speed - 22 June 14:36

The artist sent an open letter to Apple Music, arguing that artists should be paid during the service's trial period. 

"Homesickness is a feeling of wanting to be back with our tribe." Photo: Samuel Bradley.
Homesick in the modern world
By John Osborne - 19 June 10:08

What does it mean to be homesick in 2015? Does technology help or hinder us when we move to a new place? John Osborne revisits his past to find out.

DuckDuckGo's homepage
Has Edward Snowden changed the way we think about search engines?
By Barbara Speed - 18 June 16:31

DuckDuckGo, a browser which doesn't track your online activity, has increased its traffic six-fold since the Snowden revelations.

South Koreans wear masks to protest against Mers. Photo: Chung Sung-Jun/Getty Images
As Mers hits the headlines, we have to ask: is this a golden age for pathogens?
By Michael Brooks - 18 June 12:45

It’s not just people who are at risk from the 21st-century way of life. Plants are suffering, too.

Despite a hardy laptop, I've still managed to break mine. Photo: AFP PHOTO/Frederic J. Brown
I chose a laptop that even Nasa couldn’t break. Somehow, I have managed to break it
By Nicholas Lezard - 18 June 12:42

Nasa only has to worry about the fiery immolation of its crew, should anything go wrong. They do not have to take into account the treatment you give your machines.

Here come the robots: tech wizards are devising algorithms that can do everything from diagnosing health problems to shaping our dreams.
Who owns the future? How the prophets of Silicon Valley took control
By Yuval Harari - 18 June 12:08

In an era when politics is bereft of grand visions, bioengineers and Silicon Valley tech geeks are claiming the mantle of leadership and prophecy. But what do they want and where are they leading us?

A flock of Twitter birds leaves one behind.
Are you one of Twitter's millions of ghost users? This could be why
By Barbara Speed - 17 June 10:19

Over two thirds of Twitter users are inactive. Could a swathe of new features bring them back to life? 

The great outdoors: much of the new writing on nature explores both the internal and external worlds of the authors. Photo: Sandra Cunningham/Trevillion Images
Death of the naturalist: why is the “new nature writing” so tame?
By Mark Cocker - 17 June 10:05

The so-called new nature writing has become a publishing phenomenon, but how much do its authors truly care about our wild places?

Wakey wakey. Image: ESA
After seven months in hibernation on a comet, the space probe Philae has woken up
By Tosin Thompson - 16 June 13:40

ESA's space probe Philae has awoken on comet 67P/Churyumov–Gerasimenko after seven months in hibernation. 

 A four digit passcode using emojis.
How emojis could make passcodes more secure
By Barbara Speed - 15 June 14:54

A British company has introduced an emoji-based passcode system. But is it a gimmick or a sign of things to come? 

In 2014, in London, 307 men reported being raped to the Metropolitan police. Photo: Oli Scarff/Getty
A male rape charity has had its funding slashed to zero. Where are all the outraged men?
By June Eric-Udorie - 11 June 16:29

A vital service for men who have been affected by sexual abuse has lost funding, and yet so-called “Men’s Rights Activists” are still more interested in bringing feminists down.

Hear me roar: the grizzly bear can grow to 300 kilograms and climb trees. Photo: Michael Duva
Ursus arctos horribilis, a not-so-grizzly bear
By John Burnside - 11 June 8:49

Banff National Park is home to many remarkable creatures but most evenings the talk around the bar and the dinner table usually returns to bears.

"Fortunately, his fear that it had originated one night after a Kylie concert prompted him to seek medical advice". Photo: Alberto E. Rodriguez/Getty Images for Qantas
Kylie, the mystery rash and the medieval treatment that keeps it at bay
By Phil Whitaker - 11 June 8:24

Haemochromatosis is the commonest single gene disorder in northern Europe: roughly one in 200 Caucasian people is genetically susceptible.