The movement of herders and livestock into the eastern steppe is of great interest to researchers, but few scholars have linked the introduction of herds and horses to the rise of complex societies.
Archaeology
May 11, 2022
0
197
Evolutionary biology aims to explain how new species arise and evolve to occupy myriad niches—but it is not a singular or simplistic story. Rare bees found in high mountain areas of Fiji provide evidence that they have ...
Evolution
Apr 15, 2020
0
463
Abrupt shifts in the evolution of animals—short periods of time when an organism rapidly changes size or form—have long been a challenge for theorists including Darwin. Now a newly published research paper supports the ...
Evolution
Mar 2, 2022
0
1192
Some people who are serious about wanting to reduce their "carbon footprint" on the Earth have one choice available to them that may yield a large long-term benefit - have one less child.
Environment
Jul 31, 2009
86
0
A stark theme emerged from an annual scientific get-together in Vancouver: the world must be helped to believe in science again or it could be too late to save our planet.
Other
Feb 21, 2012
114
0
Europe changed dramatically during the Bronze Age, with huge population shifts generally ascribed to the rise of new metal technologies, trading and climate change. But scientists believe that there may have been another ...
Archaeology
Dec 3, 2019
0
395
Climate Change to Create Farmland in the North, But at Environmental Costs, Study Reveals
Environment
Feb 12, 2020
25
350
(Phys.org) —As is the case in all areas of science, our understanding of evolutionary biology is… well, evolving. Two such areas are macroevolution (any evolutionary change at or above the level of species – that is, ...
Researchers in Argentina have isolated a drought-resistant sunflower gene and spliced it into soy, bolstering hopes for improved yields as the South American agricultural powerhouse grapples with global warming.
Biotechnology
Apr 27, 2012
0
0
California sea lions have managed to maintain—and, in the case of males, increase—their average body size as their population grows and competition for food becomes fiercer. This is in contrast to other marine mammals, ...
Plants & Animals
Apr 27, 2023
0
76
