NewScientist The Last Word - Tag 'animals' details

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Is the Tryptophan in turkey really responsible for making us feel sleepy at Thanksgving? What's the real deal here? I heard there is more trypotphan in a chicken breast than there is in a whole turkey.
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Asked by 4wDr
on 2010-11-23 02:24:10

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Categories: Environment.

Tags: animals, humanbody, environment.

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Do any other animals have milk teeth?
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Asked by greenfred
on 2010-11-19 19:16:38

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Categories: Animals.

Tags: animals, milkteeth.

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Can animals get drunk?
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Asked by willdude_3
on 2010-11-14 20:23:49

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Categories: Animals.

Tags: animals, drunk.

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What is this animal
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Asked by philthepower1985
on 2010-10-29 21:57:40

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Categories: Animals.

Tags: animals, animalname, taxonomy.

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What lifeform is this? I encountered these things by the million, in the Mediterranian, while kayaking the west coast of Corsica. They are 1 to 5 centimeters wide. They consist of a floating base with a kind of sail. Below the water, there's short blueish tentacles that stick to any surface they encounter. What are they?
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Asked by Niels
on 2010-10-25 01:10:11

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Categories: Animals.

Tags: animals.

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Are we the only species to menstruate?
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Asked by Jenniferocious
on 2010-10-20 10:04:32

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Categories: Human Body, Animals.

Tags: animals, humanbody, reproduction.

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Does any animal's voice pitch depend on its sex?

Are there any other animals apart from humans whose males and females have differently pitched voices?

I know there are lots of birds and insects, and I think, even some mammals whose males sing, while females don't. Insect females are mute then, I suppose. Anyway, their voice organs are not in their mouths and they often look quite different too. But when birds or mammals are just calling, not singing, can you tell their voices apart?

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Asked by translatrix
on 2010-10-07 17:15:22

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Categories: Animals.

Tags: animals, voice.

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Do raptors that use thermal soaring like urban areas?

Vultures are able to use thermal currents in the air to give themselves lift and therefore save energy when searching for food.

I have read that agglomerations of vultures occur on the fringes of settlements where animal carcasses are dumped.

But would it be possible for vultures to benefit from urban heat islands? If so, what is the evidence?

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Asked by madscientist
on 2010-10-03 19:07:59

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Categories: Planet Earth, Animals, Environment, Unanswered.

Tags: animals, environment, globalwarming, urban, vulture.

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Do birds see the colour white at all? We all know there are lots of birds that have white wings. Recently, many bird species have been proven to be tetrachromatic i.e. they have cone opsins able to absorb at UV wavelengths and so can discriminate ultraviolet light as well. Does this mean that they cannot see white?
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Asked by madscientist
on 2010-10-03 18:52:50

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Categories: Animals.

Tags: animals, unanswered, colour, interesting.

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What is the smallest animal which can fly and how small is it. Is it visible to the naked eye?
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Asked by EvilTony
on 2010-09-30 11:19:23