51动漫

Could land-dwelling octopuses develop technology? (part 2)

A reader shares their thoughts on how difficult technological development would be for underwater species without access to fire

The Supermoon rises over houses in Olvera, in the southern Spanish province of Cadiz, July 12, 2014. Occurring when a full moon or new moon coincides with the closest approach the moon makes to the Earth, the Supermoon results in a larger-than-usual appearance of the lunar disk. REUTERS/Jon Nazca (SPAIN - Tags: SOCIETY CITYSCAPE TPX IMAGES OF THE DAY) - GM1EA7D0FC401

This week鈥檚 new questions

Hidden jerk and where to find it

A shoulder of Alexandra Peak, the second heighest peak in the Rwenzori range, as seen from Margherita Peak. In the valley between the two peaks lies Stanley Glacier. The glacier was once so high that guides could lead clients across it on a gentle walk between the peaks. Today the face of the mountain is exposed as the glacier dies.

Comment

See the magnificent but melting glaciers of the Rwenzori mountains

Tom Gauld: The temptation of Ada and Steve

Twisteddoodles on each individual’s contribution to the group project

Half length portrait of trendy female millennial in electronic spectacles looking at camera during time for listening audio book and walk in metropolitan downtown, generation z in earphones; Shutterstock ID 1722211435; purchase_order: -; job: -; client: -; other: -

Mind

How listening to audiobooks may be making us more gullible

detail of bee or honeybee in Latin Apis Mellifera, european or western honey bee; Shutterstock ID 1544424374; purchase_order: -; job: -; client: -; other: -

If an ant or bee ends up far from its colony, what will happen to it?

Aerial view of car driving on beautiful steep curved road (look like number 3) on the high mountain in Nan province, Thailand.; Shutterstock ID 1815816242; purchase_order: -; job: -; client: -; other: -

Travelling by car, why does it feel I am going uphill when I go north?

HMHHEF TOMMY IGOES GROOVE CONSPIRACY plays on the Garden Stage at the 59th MONTEREY JAZZ FESTIVAL - CALIFORNIA

Why is the left hand used for intricate violin fingerwork? (part 2)

Our readers explore the phenomenon of handedness across a range of situations

This week鈥檚 new questions

Definitive answers sought on whether sugar should be added to tea

Life

See the Hunterian Museum’s weird and wonderful anatomical curiosities

Tom Gauld: ‘Your theory is laughable’