Ecuador's government has announced it will spend $3.4 million on reintroducing 12 endemic bird and turtle species that have disappeared from an island in the Galapagos archipelago where Charles Darwin developed his theory ...
Ecology
Sep 11, 2023
0
96
Depending upon how you do the counting, there are around 9 million species on Earth, from the simplest single-celled organisms to humans.
Evolution
Sep 6, 2023
4
528
One of the most significant drivers of crop evolution stems from the changes in the selection associated with the shift of plants from a highly heterogeneous and biodiverse natural environment into a homogeneous monoculture ...
Plants & Animals
Sep 6, 2023
0
12
How a new method of inferring ancient population size revealed a severe bottleneck in the human population which almost wiped out the chance for humanity as we know it today.
Evolution
Aug 31, 2023
3
336
During the COVID-19 pandemic, the clinical spectrum observed among people infected with SARS-CoV-2 ranged from asymptomatic carriage to death. Researchers at the Institut Pasteur, the CNRS and the Collège de France, in collaboration ...
Evolution
Aug 26, 2023
0
92
Natural selection is usually understood in the context of change. When organisms deviate from the norm, they may gain advantages that let their lineages outlast those of their less-adaptable relatives.
Plants & Animals
Aug 23, 2023
1
229
Plants are not exposed to herbivores without defenses. When an insect feeds on a leaf, thereby wounding it and releasing oral secretions, a signaling cascade is elicited in the plant, usually starting with a rapid increase ...
Evolution
Aug 21, 2023
0
48
In multicellular organisms, all cells of an individual normally contain the same genetic information and cell differentiation is achieved through regulation of gene expression. There are exceptions, however, where, instead ...
Evolution
Aug 9, 2023
0
37
One of the most actively debated questions about human and nonhuman culture is this: Under what circumstances might we expect culture, in particular the ability to learn from one another, to be favored by natural selection?
Social Sciences
Aug 7, 2023
0
92
African cuckoos may have met their match with the fork-tailed drongo, which scientists predict can detect and reject cuckoo eggs from their nest on almost every occasion, despite them on average looking almost identical to ...
Plants & Animals
Jul 25, 2023
0
40
