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Curiomsos.com’s blog. Updated daily.

60,000-Year-Old Cave Art in Spain was Made by Neanderthals Close-up views of the coloured stalagmite tower. We now know that this cave art in Spain was painted by Neanderthals around 60,000 years ago. Credit: Africa Marti et al. / Proceedings of the National Academy of Science, 2021

60,000-Year-Old Cave Art in Spain was Made by Neanderthals

Scientists have discovered in the Spanish cave of Ardales drawings left by Neanderthals between 45 and 65 thousand years ago. Chemical analysis showed that the cave art in Spain was of man-made origin, and archaic people brought ocher from outside the monument. Apparently, karst formations played a symbolic role among some groups of Neanderthals. 

NASA’s New Spacecraft Will Carry Message to Aliens Artist's impression of the Lucy as it passes near a Trojan asteroid with Jupiter in the distant background. Credit: Southwest Research Institute

NASA’s New Spacecraft Will Carry Message to Aliens

NASA’s new interplanetary Lucy mission, scheduled for launch into space in October 2021, will carry a “time-capsule” with famous quotes from prominent members of society or history. Since the station will continue to orbit Earth for hundreds of thousands of years, perhaps it will one day be found by our distant descendants or perhaps even aliens.

3D Shark Intestine Scan Reveals Unexpected Similarities to Nikola Tesla Invention A CT scan image of the spiral intestine of a Pacific spiny dogfish shark which shows how shark intestines are similar to Tesla Valves. Credit: Samantha Leigh/California State University Dominguez Hills

3D Shark Intestine Scan Reveals Unexpected Similarities to Nikola Tesla Invention

In the United States, a team made up of scientists from several universities conducted the first detailed analysis of shark intestines. The resulting 3D images amazed the researchers – they show that the shark’s intestines function exactly like the one-way valve invented by Nikola Tesla.