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
1
48
What makes a good parent? Most would say a good parent loves and nurtures their child with the ultimate aim of helping them flourish—now and into the future. A good parent will feed their child, give them space to play ...
Environment
May 2, 2023
0
8
Drought is so severe in parts of Spain that thousands of people are invoking the heavens desperate for rain.
Environment
May 2, 2023
0
31
Justice reinvestment emerged in the United States more than 20 years ago as a way to reduce mass incarceration and its vast costs by addressing the social drivers of imprisonment.
Social Sciences
May 2, 2023
0
2
Most people would expect a freezer can keep perishable food fresh and safe from spoilage for many months. Unfortunately, this is not always the case.
Cell & Microbiology
May 2, 2023
0
58
Skoltech researchers reported another breakthrough in their investigations of diatoms, the fascinating single-cell algae that may hold many secrets to advanced technological solutions emulating nature.
Cell & Microbiology
May 2, 2023
0
10
Germany called Tuesday for governments around the world to work on setting an ambitious target for renewable energy that would "ring in the end of the fossil fuel age" and help prevent dangerous global warming.
Environment
May 2, 2023
0
2
Parents share content of their children for myriad reasons, including to connect with friends and family, and to seek validation or support.
Social Sciences
May 2, 2023
0
16
Using a "spooky" phenomenon of quantum physics, Caltech researchers have discovered a way to double the resolution of light microscopes.
Optics & Photonics
May 2, 2023
4
387
Working with a great deal of dexterity and concentration, Jingo Bozzini, an electronics engineer, solders the tiny legs of a chip onto the green circuit board. "Soldering isn't my strong suit," he grins. He's much more interested ...
General Physics
May 2, 2023
0
24
