Researchers invent new tool to study single biological molecules

(Phys.org) -- By blending optical and atomic force microscope technologies, Iowa State University and Ames Laboratory researchers have found a way to complete 3-D measurements of single biological molecules with unprecedented ...

World's oldest axe found in Australia

Archaeologists revealed they have found a piece of a stone axe dated as 35,500 years old on sacred Aboriginal land in Australia, the oldest object of its type ever found.

Evolution axe goes on display

(PhysOrg.com) -- A flint hand axe that helped reveal the very ancient age of humankind goes on display at the Natural History Museum October 2009.

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