Harnessing sound for health

When a person develops a kidney stone or a gall stone—hard accumulations of minerals and other compounds created by the body—they can experience a great deal of pain and discomfort. In more advanced cases, these stones ...

Does zinc inhibit or promote growth of kidney stones? Well, both

A funny thing happened on the way to discovering how zinc impacts kidney stones—two different theories emerged, each contradicting the other. One: Zinc stops the growth of the calcium oxalate crystals that make up the stones; ...

Archaeological research shows prehistoric pendants used in dance

"Ornaments composed of elk teeth suspended from or sown on to clothing emit a loud rattling noise when moving," says auditory archaeologist and Academy of Finland Research Fellow Riitta Rainio from the University of Helsinki. ...

Tiny tools point to specialist skills of ancient Indonesians

New research has questioned theories that a mysterious group of hunter-gatherers from Indonesia interacted with Aboriginal Australians thousands of years ago and provides a basis for future understanding of the people who ...

The oldest human burial in Africa uncovered

Despite being home to the earliest signs of modern human behavior, early evidence of burials in Africa are scarce and often ambiguous. Therefore, little is known about the origin and development of mortuary practices in the ...

Stone skipping techniques can improve reentry of space vehicles

Skipping stones on a body of water is an age-old game, but developing a better understanding of the physics involved is crucial for more serious matters, such as water landings upon reentry of spaceflight vehicles or aircrafts.

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