Zoologger: How koalas make their deep seductive grunts
We know now how everyone's favourite marsupial is able to bellow like an elephant despite having a puny voicebox
China's Jade Rabbit blasts off for the moon
If all goes according to plan, the Chinese Chang'e 3 mission will beat the private teams competing in the Google Lunar X Prize
The night: When sleep breaks and consciousness leaks
We used to think we existed in only one state of consciousness at a time. Then we started understanding the spooky phenomena of parasomnias
How we evolved to trade longevity for vitality
Growing old is the price we pay for the youthful vigour that having children demands, says Jonathan Silvertown in The Long and Short of It
'We need to find ways to help more women breastfeed'
Will giving women vouchers encourage them to breastfeed? Mary Renfrew says we need to look to the evidence to solve this public health problem
Mega delusional: The curse of the megaproject
Their costs are astronomical and benefits questionable, yet megaprojects have never been so popular. What's going on, wonders Bent Flyvbjerg
The night: Why they call it the graveyard shift
Your mum was right: staying up past your bedtime is bad for you. Working "unnatural" hours puts your body through the wringer. Tiffany O'Callaghan reports
Boxy CubeSats get a propulsion boost in new space race
The race is on to add propulsion to small CubeSats, which would give them the freedom to do serious science and many things their bigger siblings cannot
Fear of a smell can be passed down several generations
Mice whose father feared a smell like cherry blossom reacted to the same odour, even though they had never come across it before
Astrophile: Europa's choppy ocean looks friendly to life
Chaotic dark scars on the icy surface of Jupiter's moon may be a sign of vigorous currents in the ocean below, which could help sustain life
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