In humans, pregnancy lasts around nine months. In mice, only 20 days, and in rhinoceroses, as long as 17 months. Although many mammalian species go through the same stages during embryo development, the speed of development ...
Plants & Animals
Jun 20, 2023
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17
Humans split away from our closest animal relatives, chimpanzees, and formed our own branch on the evolutionary tree about seven million years ago. In the time since—brief, from an evolutionary perspective—our ancestors ...
Evolution
Jun 20, 2023
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155
The Intergovernmental Panel on Climate Change Fifth Assessment Report (AR5), released just prior to an international climate convention in 2015, explicitly stated that human-caused greenhouse gas emissions were the highest ...
Environment
Jun 20, 2023
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3
A pair of paleobiologists with the Smithsonian Institution's National Museum of Natural History has found evidence of a long extinct herbivore marine mammal living in what is now the Skooner Gulch Formation in northern California. ...
A tiny mutation in the genetic material of barley ensures that those plants develop faster and thus flower earlier than established barley varieties. At the same time, plant yields remain the same, a team from Martin Luther ...
Molecular & Computational biology
Jun 20, 2023
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68
Adding silicon to soil could help battle clubroot, a deadly disease in canola crops, new University of Alberta research shows.
Agriculture
Jun 20, 2023
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4
Efforts to tackle major issues facing the UK, including the nation's health and climate change, are being hampered because politicians often ignore the existing evidence when setting policies, according to Dame Theresa Marteau, ...
Political science
Jun 20, 2023
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2
Digesting fish waste can allow circular fish and vegetable farms (aquaponics) to produce biogas that can be fed back into the energy system of these farms. This also generates excellent nutrition for plants, according to ...
Biotechnology
Jun 20, 2023
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16
Anthropogenic production of reactive nitrogen (N) is increasing rapidly due to the growing demand for food production. Rivers are the receptors of N, especially nitrate (NO3–), produced in their drainage catchments, therefore, ...
Earth Sciences
Jun 20, 2023
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2
Light-absorbing impurities (LAIs) in snow influence spectral characteristics of snow, especially on its albedo, thus affecting the earth–air energy balance and indirectly leading to climate change.
Earth Sciences
Jun 20, 2023
0
2
