An international team of archaeologists, historians and tattoo artists has found evidence that suggests Ötzi the Iceman's tattoos were made via hand-poking with a single-pointed tool. In their study, published in the European ...
(Phys.org) —Artifacts from the Middle Stone Age, which lasted from about 200,000 to 50,000 years ago, provide us with the earliest glimpses of modern human art and culture. Previously, scientists thought an increase in ...
Imagine if doctors could perform surgery without ever having to cut through your skin. Or if they could diagnose cancer by seeing tumors inside the body with a procedure that is as simple as an ultrasound. Thanks to a technique ...
Engineering
Jun 26, 2012
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A new research paper published in Science Advances reveals how changes in the size of the Yangtze River watershed may have led to the carving of deep canyons.
Earth Sciences
Sep 22, 2023
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87
An international team of earth scientists has linked the establishment of the Mekong River to a period of major intensification of the Asian monsoon during the middle Miocene, about 17 million years ago, findings that supplant ...
Environment
Oct 16, 2018
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Cut marks found on Ice Age bones indicate that humans in Ohio hunted or scavenged animal meat earlier than previously known. Dr. Brian Redmond, curator of archaeology at The Cleveland Museum of Natural History, was lead author ...
Archaeology
Mar 1, 2012
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(PhysOrg.com) -- Surgical adhesives, which can be used to seal tissues after an operation or to repair wounds, are becoming increasingly important parts of a doctor's toolkit. However, their one-size-fits-all nature means ...
Materials Science
Jul 10, 2009
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A new "solder" for laser welding of tissue during surgical operations has the potential to produce stronger seals and expand use of this alternative to conventional sutures and stapling in intestinal surgery, scientists are ...
Nanomaterials
May 8, 2013
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2
Engraved objects are usually seen as a hallmark of cognition and symbolism, which are viewed as important features of modern human behavior. In recent years, engraved ochre, bones and ostrich eggs unearthed from various Paleolithic ...
Archaeology
Dec 24, 2012
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1
Modern endoscopic techniques enable doctors to perform surgery without major incisions. Certain interventions require instruments with special 3-D optics. Researchers have developed an image sensor that transmits perfect ...
Engineering
Oct 5, 2011
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