NewScientist The Last Word - Tag 'Earth' details

Tag 'Earth' details

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Sun and air Some evenings the sunset is stunning while on others it is only so-so, even though the sky is cloudless in both cases. What causes the difference?Ben Wagstaff, Northallerton, North Yorkshire, UK
(no votes) There are 6 answer(s) for this question. View answers \| Submit an answer

Asked by Michael Marshall
on 2008-04-30 18:21:18

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Categories: Planet Earth, Weather .

Tags: animals, unanswered, weather, planet earth.

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Shapely pear Why are pears pear-shaped and not spherical like apples?John Griffiths, London, UK
(no votes) There are 13 answer(s) for this question. View answers \| Submit an answer

Asked by Michael Marshall
on 2008-04-23 17:50:52

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Categories: Plants, Unanswered.

Tags: unanswered, plants, planet earth.

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Dizzy dogs In hot weather dogs keep cool by panting. If I were to do this I would hyperventilate and exhale too much carbon dioxide. How do dogs avoid the effects of respiratory alkalosis?Andrew Benton, Birkenhead, Merseyside, UK
(no votes) There are 8 answer(s) for this question. View answers \| Submit an answer

Asked by Michael Marshall
on 2008-04-23 17:50:38

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Categories: Animals.

Tags: animals, unanswered, planet earth.

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Landlubber Where on our planet is the furthest point from any sea? I'm hoping it is in the middle of Asia somewhere because I'm travelling that way soon, and want to stand at that point in swimming trunks, snorkel and mask.Hugh Jones, Slapton, Northamptonshire, UK
(no votes) There are 11 answer(s) for this question. View answers \| Submit an answer

Asked by Michael Marshall
on 2008-04-09 17:50:41

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Categories: Planet Earth.

Tags: animals, planet earth.

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Leaf antlers What causes these strange horny growths on tree leaves (see photo, left)?Mike Child, Bedford, UK
(no votes) There are 11 answer(s) for this question. View answers \| Submit an answer

Asked by Michael Marshall
on 2008-03-26 17:50:19

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Categories: Plants, Unanswered.

Tags: unanswered, technology, plants, planet earth.

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Sick as a horse On a long motorway journey while driving behind a horsebox, I wondered, do horses get travel sick? In fact, do we know whether any animals besides humans suffer from motion sickness?Neil Bowley, Newthorpe, Nottinghamshire, UK
(1 vote) average rating:5 There are 20 answer(s) for this question. View answers \| Submit an answer

Asked by Michael Marshall
on 2008-03-26 17:49:03

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Categories: Animals, Transport.

Tags: animals, technology, transport, planet earth.

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Whale of an appetite Which eats more of the world's seafood, the vast numbers of humans or the depleted population of whales?Anthony Miller, Washington DC, US
(no votes) There are 7 answer(s) for this question. View answers \| Submit an answer

Asked by Michael Marshall
on 2008-03-18 17:50:03

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Categories: Animals, Environment.

Tags: animals, technology, planet earth, environment.

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Ice chandeliers I found these icicles (see Photo) hanging from small branches leaning over a creek. The ends were mainly shaped like suction cups - slightly concave at the bottom - although a few icicles sported a spherical end. The water beneath was flowing, and the temperature was around -12 Â°C. How did they form?Sandor Frecska, Mannington, West Virginia, USA
(no votes) There are 6 answer(s) for this question. View answers \| Submit an answer

Asked by Michael Marshall
on 2008-03-17 11:14:48

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Categories: Planet Earth.

Tags: human body, planet earth.

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Weird rock thing I recently found a most bizarre rock which appears to have been melted and folded around a collection of other glass-like stones. I have no idea whether this could be as a result of a human activity such as glass-blowing, or whether it is naturally occurring.Joe Inglis, Gloucestershire, UK
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Asked by Michael Marshall
on 2008-03-06 14:49:30

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Categories: Human Body, Planet Earth, Unanswered.

Tags: human body, unanswered, planet earth.

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Ice circles

In February, the tarmac roof of my office building in Hilversum was covered in hoar-frost. When I went for a walk up there, I noticed some circle-shaped patches. An outer annulus had a darker colour than the surrounding hoar-frost, an inner disk was ice-free, and in the middle of the larger patches sat a millimetre-sized ice grain, resembling a small hail stone.There were some hundred of these patches, some merged, or with multiple ice-free inner disks. The day had started out freezing, but when I noticed the pattern, it was around 10 Â° Celsius. All day, the sky had been sunny, but the tarmac was in the shadow of a building.What caused these patches?Bruno van Wayenburg, Leiden, Netherlands