Homo sapiens, our own species, evolved in Africa sometime between 300,000 and 200,000 years ago. Anthropologists are pretty confident in that estimate, based on fossil, genetic and archaeological evidence.
Evolution
May 2, 2023
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48
Many assume that big publicly traded oil companies and private individuals are primarily responsible for climate change. And there is some truth to this assumption.
Environment
Apr 20, 2023
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8
Methane in the atmosphere had its fourth-highest annual increase in 2022, the National Oceanic and Atmospheric Administration reported, part of an overall rise in planet-warming greenhouse gases that the agency called "alarming."
Environment
Apr 6, 2023
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37
Abruptly melting ice sheets, the collapse of coral reefs and rainforests: nature is complex—and climate policy must consider physical "tipping points" as well as uncertainties and measurement problems. How can the fight ...
Environment
Mar 17, 2023
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20
The intensity of extreme drought and rainfall has "sharply" increased over the past 20 years, according to a study published Monday in the journal Nature Water. These aren't merely tough weather events, they are leading to ...
Environment
Mar 13, 2023
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190
Novel research involving University of Liverpool academics has shown that expanding the use of liquefied petroleum gas (LPG) and/or grid electricity to replace biomass-fueled cooking in low- and middle-income countries (LMICs) ...
Environment
Mar 1, 2023
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3
Archaeologists in Kenya have dug up some of the oldest stone tools ever found, but who used them is a mystery.
Archaeology
Feb 12, 2023
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18
On the shores of Lake Victoria in Kenya, a short valley extends south towards the looming Mount Homa. From it have emerged some of the oldest-known stone tools used to butcher large animals, as well as the oldest remains ...
Archaeology
Feb 11, 2023
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138
The harmonious coexistence between human society and nature has prompted the rapid development of advanced manufacturing. Typically, green biomanufacturing, which uses renewable resources as raw materials and enzymes or microorganisms ...
Analytical Chemistry
Feb 7, 2023
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18
The Dental Anthropology Group of the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) has participated in a paper published in the American Journal of Biological Anthropology on the dental remains of ...
Archaeology
Jan 18, 2023
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