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In a surprise twist, a major group of flowering plants is evolving twice as quickly in temperate zones as the tropics. The finding runs counter to a long-held hypothesis that tropical regions, home to the planet's richest ...
Plants & Animals
7 hours ago
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24
What causes African hybrid honey bees (AHB), also known as killer bees, to be highly defensive and aggressive? York University researchers have found it was the mixing of African and European genetics that led to hyper-aggression ...
Evolution
11 hours ago
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16
Some of the most fundamental questions in evolution remain unanswered, such as when and how extremely diverse groups of animals—for example reptiles—first evolved. For seventy-five years, adaptive radiations—the relatively ...
Evolution
12 hours ago
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76
Special cells in giant clams shift the wavelength of light to protect them from UV radiation and increase the photosynthetic activity of their symbionts, shows research from King Abdullah University of Science and Technology—originally ...
Plants & Animals
14 hours ago
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409
The offspring of older mothers don't fare as well as those of younger mothers, in humans and many other species. They aren't as healthy, or they don't live as long, or they have fewer offspring themselves. A longstanding ...
Plants & Animals
Jul 02, 2020
4
371
The synaptonemal complex is a ladder-like cell structure that plays a major role in the development of egg and sperm cells in humans and other mammals. "The structure of this complex has hardly been changed in evolution, ...
Evolution
Jul 01, 2020
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16
New research in fruit flies suggests that males may be at greater risk than females of diseases caused by mutations in mitochondrial DNA.
Plants & Animals
Jul 01, 2020
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2
Infant marsupials and monotremes use a connection between their ear and jaw bones shortly after birth to enable them to drink their mothers' milk, new findings in eLife reveal.
Evolution
Jul 01, 2020
1
90
New Zealand's monster penguins, which lived 62 million years ago, had doppelgangers in Japan, the U.S. and Canada, a study published today in the Journal of Zoological Systematics and Evolutionary Research has found.
Plants & Animals
Jun 30, 2020
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1071
We have known for some time that over-use of antibiotics is causing a frightening increase in antibiotic resistance in bacteria, through the rapid spread of antibiotic resistance genes. What may be behind this is not just ...
Evolution
Jun 29, 2020
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4
A very large international team of researchers has identified the origin of the domesticated chicken. In their paper published in the journal Cell Research, the group outlines the extensive genetic study they conducted and ...
In biology, phylogenetic trees represent the evolutionary history and diversification of species—the "family tree" of Life. Phylogenetic trees not only describe the evolution of a group of organisms but can also be constructed ...
Evolution
Jun 26, 2020
0
77
Dogs play an important role in human life all over the world—whether as a family member or as a working animal. But where the dog comes from and how old various groups of dogs are is still a bit of a mystery.
Plants & Animals
Jun 25, 2020
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1690
Evolution seems to be an unpredictable process. However, predicting the constraints of evolution is possible. Researchers from AMOLF and the French ESPCI have demonstrated this using their mathematical method, followed by ...
Evolution
Jun 25, 2020
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5
Fish exposed to very low levels of chemicals commonly found in waterways can pass the impacts on to future generations that were never directly exposed to the chemicals, according to Oregon State University researchers.
Evolution
Jun 24, 2020
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16
The team of Professor Tobias Bollenbach from the Institute for Biological Physics at the University of Cologne has published a study on a new approach to improving the effectiveness of antibiotics in bacterial infections. ...
Evolution
Jun 24, 2020
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4
We humans have unique cooperative systems allowing us to cooperate in large numbers. Furthermore, we provide help to others, even outside the family unit. How we developed these cooperative abilities and helping behavior ...
Plants & Animals
Jun 24, 2020
2
216
Researchers have recognized one to seven species of goral gorals (Naemorhedus spp., Caprinae, Bovidae), small goat antelopes. However, the phylogenetics remains unclear because of limited genetic data.
Plants & Animals
Jun 24, 2020
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3
New University of Otago research provides insight into how males influence their mates' health, growth and fertility.
Evolution
Jun 23, 2020
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20
Some 160 years after Darwin, we understand how natural selection works. But why don't all organisms have the same ability to evolve?
Evolution
Jun 23, 2020
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