Grass is cut regularly by our mowers and grazed on by cows and sheep, yet continues to grow back. The secret to its remarkable regenerative powers lies in part in the shape of its leaves, but how that shape arises has been ...
Plants & Animals
Dec 9, 2021
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892
(Phys.org) —In the 19th century, billions of passenger pigeons crowded the skies of North America. By 1914, the birds had become extinct. Previously, ecologists thought human activity was responsible for the passenger pigeon's ...
A widely-used Living Planet Index (LPI) characterizes the average change in population sizes of vertebrates and is considered one of the main indicators of the state of the planet.
Ecology
Jun 27, 2024
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36
Mars polar ice caps were one of the first Earth-like characteristics identified on Mars. Since the development of film in the 19th Century, researchers expected to see Earth-like activity, such as polar ice flow. Mars, however, ...
Planetary Sciences
Jun 10, 2024
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102
How should we live when we know we must die? This question is posed by the first work of world literature, the Gilgamesh epic. More than 4,000 years ago, Gilgamesh set out on a quest for immortality. Like all Babylonian literature, ...
Archaeology
Feb 2, 2023
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3911
Ostrich eggs estimated to be at least 4,000 years old have been found in Israel, archaeologists announced on Thursday, providing insight into the life of ancient peoples in the region.
Paleontology & Fossils
Jan 12, 2023
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19
A pair of researchers at the University of Granada has solved the mystery of the purple stains on the ceilings of the famous Alhambra palace in Spain. In their paper published in the journal Science Advances, Carolina Cardell ...
The pandemic has impacted our lives in a multitude of ways, many of which will no doubt be felt for years to come. While many of those effects are clearly negative, UConn researchers have identified at least one positive ...
Social Sciences
Sep 2, 2022
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51
The north of Western Siberia is recording the warmest summers of the last 7,000 years. While for several millennia the temperature of the region was following a general cooling, in the 19th century there has been an abrupt ...
Earth Sciences
Aug 25, 2022
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213
The island prefecture of Hokkaidō, Japan's second-largest island, has a rich cultural history of hunter-gatherers both on land and at sea. Over thousands of years through the Holocene and into the 19th century, the prevalence ...
Earth Sciences
May 6, 2022
0
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