Tomb of Nestor’s Cup Reveals Mystery As Researchers Found the Ashes Tells a Different Story From 2,800 Years Ago

hngn.com – The secret of the Tomb of Nestor's cup mystery was exposed after its discovery 65 years ago. What made the cup distinctive is its contents inside it, believed all these millennia ago by those who lived before.

Source: Melania Gigante, et al. Who was buried with Nestor’s Cup? Macroscopic and microscopic analyses of the cremated remains from Tomb 168 (second half of the 8th century BCE, Pithekoussai, Ischia Island, Italy). PLOS ONE, 2021.

A Cosmic Ray Event Pinpoints the Viking Landing in Canada

wired.com – The celestial storm produced carbon-14 atoms found in the rings of a tree felled by Norse explorers, proving they made it to North America 1,000 years ago.

Source: Margot Kuitems, et al. Evidence for European presence in the Americas in ad 1021. Nature, 2021.

Disturbing Answers to the Mystery of Tuskless Female Elephants

sciam.com – Poaching brings evolutionary pressure for tusklessness

Source: Chris T. Darimont, Fanie Pelletier. Of war, tusks, and genes. Science, 2021.

Watch this wooden knife cut effortlessly through juicy, medium-well-done steak

arstechnica.com – Also: A hardened wood nail performed as well as its stainless steel counterpart.

Source: Bo Chen, et al. Hardened wood as a renewable alternative to steel and plastic. Matter, 2021.

Origins of domesticated horses traced to north Caucasus region, study finds

upi.com – Horses were first domesticated in the northern Caucasus region, before conquering the rest of Europe and Asia within a few centuries, according to research published Wednesday by the journal Nature.

Source: Pablo Librado, et al. The origins and spread of domestic horses from the Western Eurasian steppes. Nature, 2021.

Haunting lemur songs have a rhythm similar to human music

newscientist.com – Human music often has a natural rhythm to it, and the roots of that rhythm might stretch back to the ancestors we shared with indris, a type of lemur

Source: Chiara De Gregorio, et al. Categorical rhythms in a singing primate. Current Biology, 2021.

Martian floods? Scientists say rover found evidence

nbcnews.com – NASA's Perseverance rover discovered evidence that the Jezero crater on Mars it touched down in was once a lake bed fed by a river with floods, scientists say.

Source: Perseverance rover reveals an ancient delta-lake system and flood deposits at Jezero crater, Mars. Science, .

Morphable Materials Based on Neutrally Stable Units

azom.com – Creating intelligent, shape-changing materials is a particular focus in the field of materials science currently. However, the technology is still fairly new.

Source: Gaurav Chaudhary, S. Ganga Prasath, Edward Soucy, L. Mahadevan. Totimorphic assemblies from neutrally stable units. Proceedings of the National Academy of Sciences, 2021.

A planet 6,000 light years from Earth reveals how the end of our solar system will look

nbcnews.com – A darkened planet circling the feeble remnant of a burned-out star about 6,000 light-years from Earth shows what our own solar system will look like at the end.

Source: J. W. Blackman, et al. A Jovian analogue orbiting a white dwarf star. Nature, 2021.

Gun violence rose 30 per cent in the US during the covid-19 pandemic

newscientist.com – Gun violence rose overall in the US during the covid-19 pandemic. The highest increase was seen in Minnesota, while Alaska had a dip in gun violence cases

Source: Paddy Ssentongo, et al. Gun violence incidence during the COVID-19 pandemic is higher than before the pandemic in the United States. Scientific Reports, 2021.