An earlier questioner asked how metal blades in wet shavers lost their sharpness so easily on human hair.

If so, are we linked to plants in very early stages of evolution?

How can a tube as flimsy as a mosquito's proboscis be stiff enough to act as a hollow boring tool?

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What is it made of and what is the typical wall thickness of this amazing auger?

Also, what is the minimum capillary diameter through which blood could be sucked?

Why do I, or any other human, get sore and cracked heels?

I understand it's less common in men than women – presumably this is down to footwear choices?

How are organizations striking the balance between new initiatives and cost control?