(Inside Science) - An ancient bird statuette recovered from a refuse heap is the oldest known figurine discovered yet in China, shedding new light on how our ancestors created 3D art, a new study finds.

(Inside Science) -- Imagine putting your hand in a pile of poop. It stinks and squishes. What do you do next?

Most likely, you'll scrub that hand with plenty of soap -- and you don't need public health officials or a germ theory of disease to tell you that's the right thing to do. But when you touch the handrail on an escalator, it's much harder to remember that you could be picking up coronavirus germs.

By Charles Choi, Inside Science – New research suggests that megaliths -- monuments such as Stonehenge created from large rocks during the Stone and Copper Ages in Europe -- owe their origins to a mysterious culture from northwest France with advanced seafaring technology.

Roughly 35,000 megaliths are known throughout Europe, including standing stones, stone circles and megalithic tombs. Most megaliths date from 4500 to 2500 B.C., are concentrated in coastal areas along the Atlantic and Mediterranean, and share similar or even identical architectural features, said archaeologist Bettina Schulz Paulsson at the University of Gothenburg in Sweden.

By Nala Rogers, Inside Science -- When do you need a broadsword, and when would you be better off with a dagger? That's the question that faced artiodactyls, the group of mammals that includes deer, antelope, goats, giraffes, pigs, buffalo and cows, during their evolution.

By Chris Gorski, Inside Science -- Hard-shelled football helmets first emerged nearly 80 years ago to protect against catastrophic head injuries like skull fractures and brain hemorrhages, and they have evolved over the decades to offer better protection. Recently, public attention has increasingly focused on other consequences of hits to the head, including concussions and long-term degenerative diseases such as chronic traumatic encephalopathy.