Showing posts with label cave. Show all posts
Showing posts with label cave. Show all posts

Bear Cub Must Poop Outside

Mum bear puts cub out to poop pictures canine feline moose cow horse donkey funny bear
"I told you to do it outside"
Strang Animal Pictures
bear cub poop outside laugh
 Tys Country
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Cave Art in Spain Was Made by Neanderthals

It was believed that early humans painted the cave art in Europe. Scientists are leaning toward associating this art with Neanderthals. The old theory surmised that humans created cave art soon after they moved into Europe from Africa.

New tests show the paintings are older than first thought. They are now known to go back 41,000 years. This puts them clearly in the era of Neanderthals. Art was not a sudden achievement. It developed slowly over tens of thousands of years.

The age of cave paintings was established by U-series dating. Samples of calcite that directly covered the paintings were taken. Paintings in El Castilo Spain were dated specifically to 40,800 years ago. Art in other Spanish caves were pushed back in time from 17,000 to 35,000 years. At this time humans were new to Europe but Neanderthals had been for there much longer. Early jewelry and use of ochre were part of Neanderthal culture.
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Tasmanian Glow Worms Can Tell the Time

Glow worms can tell the time. Yes it's true! An Australian researcher has found that glow worms "light up" during daylight hours, even though they are in total darkness 24 hours a day.

It is only a Tasmanian species of glow worm, however. Mainland species glow day and night. It is not known how they detect that it is daylight outside the cave.

It is thought that a chimney effect occurs in a cave, whereby air is "breathed" in and out from outside. This probably causes a change in temperature. Glow worms possibly use the temperature stimulus to choose when to glow and when not to glow.
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Fish Hooks Made of Shell Found in Timorese Cave

The Timor region is a fascinating place to study early humans. At the eastern end of East Timor fish hooks made from shells have been found. They were among bones of more than 2,800 fish.

Jerimalai cave was a home for humans up to 42,000 years ago. The fish hooks were used between 23,000 and 16,000 years before the present. Deep sea pelagic fish were the target food. Tuna bones were abundant.

Professor Sue O'Connor based at the College of Asia and the Pacific at the Australian National University led the research. The varieties of fish identified showed that ancient humans were skilled fishermen. Fishing for tuna is complex even today.
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