/u/Philip_of_mastadon's posts in /r/askscience

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Have whitening toothpastes improved measurably in recent years, or is it all hype?

831 upvotes

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Why do we get liquid oils from plants, but solid fat products from animals?

34 upvotes

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Reaching higher particle energies

10 upvotes

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Variation in the design of winglets

5 upvotes

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Why doesn't the head have a higher temperature than the rest of the body?

1 upvotes

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Are artificial reefs really helpful to the environment?

1 upvotes

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If your blood oxygen and CO2 were both maintained by external machines, could you hold your breath indefinitely; and woulld you ever lose the reflex to breathe?

1 upvotes

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What is the categorical breakdown of urban litter by volume or mass; eg how much of it is cigarette butts?

1 upvotes

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If your blood O2 and CO2 were maintained by external machines, could you hold your breath indefinitely?

1 upvotes

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Are we aware of all the small molecules likely to be found in any significant quantity in nature, anywhere in the universe?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Have whitening toothpastes improved measurably in recent years, or is it all hype?	831
Why do we get liquid oils from plants, but solid fat products from animals?	34
Reaching higher particle energies	10
Variation in the design of winglets	5
Why doesn't the head have a higher temperature than the rest of the body?	1
Are artificial reefs really helpful to the environment?	1
If your blood oxygen and CO2 were both maintained by external machines, could you hold your breath indefinitely; and woulld you ever lose the reflex to breathe?	1
What is the categorical breakdown of urban litter by volume or mass; eg how much of it is cigarette butts?	1
If your blood O2 and CO2 were maintained by external machines, could you hold your breath indefinitely?	1
Are we aware of all the small molecules likely to be found in any significant quantity in nature, anywhere in the universe?	1