Sloth mystery solved: How moths and algae shape this unusual creature's toilet habits

Why sloths descend from the safety of the trees once a week to go to the toilet has baffled scientists - but one specialist thinks he has the answer

Close-up image of a conker and single horse chestnut leaf, which is showing signs of leaf miner damage (Getty Creative)

UK conker trees under threat from alien invading moths as scientists say Britain’s wasps are losing the insect war

Experts say there simply aren’t enough wasps to keep the horse chestnut-munching moths at bay

The chalkhill blue butterfly population has exploded on many of Britain's downs in July

A good year for nature in Britain, despite the cold: After frostiest March for 50 years, summer gave rise to an explosion in wildlife

'We had a wonderful July,' says National Trust specialist. 'The way nature fought back was miraculous; it went into overdrive'

A Crimson Speckled moth

On a wing and a heatwave: Exotic butterflies and moths from the continent colonising UK

Exotic butterflies and moths from the Continent have begun to colonise Britain following the hot summer, the Butterfly Conservation charity reports.

Kingsway Dalston

Mown down: The wildlife toll on UK's roadsides

Our obsession with neatness is harming plants, bees and butterflies

10% of British wildlife at risk of extinction as species show massive decline

Comprehensive study reveals hedgehogs, turtle doves and red squirrels among species seeing biggest falls

Paperback review: The Art of Leaving, By Anna Stothard

Eva Elliott no sooner starts a relationship than she is wondering how to get out of it, and worries that there is something odd about her tendency "to think so often about endings". That's until she meets the dashing barrister Luke, who would seem to offer her lasting happiness. But when an old friend of his, the glamorous Grace, arrives on the scene, Eva feels threatened – and her feet begin to itch once more.

Liber Nauticus is 7-2 for the Oaks despite a laboured win at York

Nauticus finds it far from plain sailing in Investec Oaks trial

If this was supposed to be the preliminary sketch for an Epsom masterpiece, then for now Liber Nauticus remains closer to an oil tanker than a dashing ocean clipper. Nonetheless she finds herself disputing favouritism for the Investec Oaks, bookmakers having taken an indulgent view of the heavy weather she made of her trial here.

Review: Asunder, By Chloe Aridjis (Chatto & Windus)

Cracks appear down at the gallery

The greater wax moth can hear sounds that are 100 times higher than the highest human voice

The moth that made mobile phone companies sit up and listen: Insect with sharpest hearing in the world could revolutionise technology

Greater wax moth is capable of hearing sounds 100 times higher than the whiniest human voice

Monarch butterflies are also believed to use landmarks and scent to find their way while migrating

Mapless monarch butterflies migrate using 'internal compass'

The North American monarch butterfly’s amazing migration, travelling thousands of miles each year from its wintering grounds in Mexico to as far north as the Great Lakes of Canada and back, is done without any internal maps, a study has found.

The Google doodle marks the 366th birthday of Maria Sibylla Merians

Google doodle celebrates life of artist and naturalist Maria Sibylla Merian

The 366th anniversary of the birth of German artist and naturalist Maria Sibylla Merian is celebrated in Google’s latest doodle.

This exotic spider was found in a household fridge in Glenrothes, Scotland

Exotic spider which may have travelled from India found in a fridge in Scotland

It has since been identified as from the wolf spider family

The Monarch butterfly

On a wing and without a prayer – the decline of the monarch butterfly

Out of America: More GM crops mean more herbicides – which destroy the food the insects need for their epic migration

Review: The Red Moth, By Sam Eastland

The saviour of the art of war

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Luis Suarez and Lionel Messi during Barcelona training in August
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Architect Frank Gehry is regarded by many as the most important architect of the modern era
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Prices correct as of 17 October 2014
Wilko Johnson, now the bad news: musician splits with manager after police investigate assault claims

Wilko Johnson, now the bad news

Former Dr Feelgood splits with manager after police investigate assault claims
Mark Udall: The Democrat Senator with a fight on his hands ahead of the US midterm elections

Mark Udall: The Democrat Senator with a fight on his hands

The Senator for Colorado is for gay rights, for abortion rights – and in the Republicans’ sights as they threaten to take control of the Senate next month
New discoveries show more contact between far-flung prehistoric humans than had been thought

New discoveries show more contact between far-flung prehistoric humans than had been thought

Evidence found of contact between Easter Islanders and South America
Cerys Matthews reveals how her uncle taped 150 interviews for a biography of Dylan Thomas

Cerys Matthews on Dylan Thomas

The singer reveals how her uncle taped 150 interviews for a biography of the famous Welsh poet
DIY is not fun and we've finally realised this as a nation

Homebase closures: 'DIY is not fun'

Homebase has announced the closure of one in four of its stores. Nick Harding, who never did know his awl from his elbow, is glad to see the back of DIY
The Battle of the Five Armies: Air New Zealand releases new Hobbit-inspired in-flight video

Air New Zealand's wizard in-flight video

The airline has released a new Hobbit-inspired clip dubbed "The most epic safety video ever made"
Pumpkin spice is the flavour of the month - but can you stomach the sweetness?

Pumpkin spice is the flavour of the month

The combination of cinnamon, clove, nutmeg (and no actual pumpkin), now flavours everything from lattes to cream cheese in the US
11 best sonic skincare brushes

11 best sonic skincare brushes

Forget the flannel - take skincare to the next level by using your favourite cleanser with a sonic facial brush
Paul Scholes column: I'm not worried about Manchester United's defence - Chelsea test can be the making of Phil Jones and Marcos Rojo

Paul Scholes column

I'm not worried about Manchester United's defence - Chelsea test can be the making of Jones and Rojo
Frank Warren: Boxing has its problems but in all my time I've never seen a crooked fight

Frank Warren: Boxing has its problems but in all my time I've never seen a crooked fight

While other sports are stalked by corruption, we are an easy target for the critics
Jamie Roberts exclusive interview: 'I'm a man of my word – I'll stay in Paris'

Jamie Roberts: 'I'm a man of my word – I'll stay in Paris'

Wales centre says he’s not coming home but is looking to establish himself at Racing Métro
How could three tourists have been battered within an inch of their lives by a burglar in a plush London hotel?

A crime that reveals London's dark heart

How could three tourists have been battered within an inch of their lives by a burglar in a plush London hotel?
Meet 'Porridge' and 'Vampire': Chinese state TV is offering advice for citizens picking a Western moniker

Lost in translation: Western monikers

Chinese state TV is offering advice for citizens picking a Western moniker. Simon Usborne, who met a 'Porridge' and a 'Vampire' while in China, can see the problem
Handy hacks that make life easier: New book reveals how to rid your inbox of spam, protect your passwords and amplify your iPhone

Handy hacks that make life easier

New book reveals how to rid your email inbox of spam, protect your passwords and amplify your iPhone with a loo-roll
KidZania lets children try their hands at being a firefighter, doctor or factory worker for the day

KidZania: It's a small world

The new 'educational entertainment experience' in London's Shepherd's Bush will allow children to try out the jobs that are usually undertaken by adults, including firefighter, doctor or factory worker