Glowing sperm go head to head in fight to be the daddy
The sperm from two males are photographed battling for supremacy inside a female fruit fly's reproductive tract
What your email style says about your personality
The words we use in our emails to one another can give an insight into who we are, and what our personality traits might be
Lifeless Earth: What if everything died out tomorrow?
Living things have a huge influence on our planet. Earth without life would be very different place, finds Bob Holmes
Zoologger: The mysterious crabs of Ascension Island
Every year, Ascension's land crabs descend from their mountain home to dump their eggs in the sea, but no one knows how the crabs colonised the island
Google Glass has its electronic eye on health
The experimental Google Glass headset has already inspired innovators to create applications that could bring big changes to healthcare
Climate report: Lull in warming doesn't mean we're safe
The IPCC's climate report says that the most extreme scenarios of future warming are looking less likely – but this doesn't change the big picture
Reverse ageing by boosting cells' energy factories
Giving cellular powerhouses a jump-start grants old mice a new lease of life, improving their memory and exercise performance
Mammals in fragmented forests die out within 25 years
Human activity is slicing up forests worldwide, and it seems the resulting "islands" of vegetation can go into ecological meltdown much faster than thought
Pop-up island emerges from the sea after earthquake
The major earthquake that struck Pakistan on Tuesday appears to have spawned a muddy mound off the coast
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