Preparing a homogenous haystack

(PhysOrg.com) -- What if you could turn the whole haystack into needles? Instead of hunting for one item, you’d have 10 billion of the desired items laid out neatly in front of you. That’s what researchers at the ...

How snakes got their fangs

Ever wondered how deadly snakes evolved their fangs? The answer lies in particular microscopic features of their teeth, research led by Flinders University and the South Australian Museum suggests.

Evergreen needles act as air quality monitors

Every tree, even an evergreen, can be an air quality monitor. That's the conclusion of researchers at the University of Utah who measured the magnetism of particulate matter on the needles of evergreen trees on the U campus. ...

Scientists target mess from Christmas tree needles

The presents are unwrapped. The children's shrieks of delight are just a memory. Now it's time for another Yuletide tradition: cleaning up the needles that are falling off your Christmas tree.

A compass pointing west

Researchers at the Paul Scherrer Institute PSI and ETH Zurich have discovered a special phenomenon of magnetism in the nano range. It enables magnets to be assembled in unusual configurations. This could be used to build ...

Needle beam could eliminate signal loss in on-chip optics

(Phys.org)—An international, Harvard-led team of researchers have demonstrated a new type of light beam that propagates without spreading outwards, remaining very narrow and controlled along an unprecedented distance. This ...

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