Wild insects 'get old' before they die
Short-lived wild insects "get old—losing some of their physical abilities—before they die, new research shows.
Short-lived wild insects "get old—losing some of their physical abilities—before they die, new research shows.
Evolution
Jan 14, 2019
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113
Iridescence is responsible for some of the most striking visual displays in the animal kingdom. Now, thanks to a new study of feathers from almost 100 modern bird species, scientists have gained new insights into how this ...
Plants & Animals
Dec 10, 2018
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114
Males and females mate to produce offspring, but their relationships are not always cooperative. The conflict between the sexes when they behave selfishly can be negative for the whole group. A group of Japanese researchers ...
Plants & Animals
Oct 5, 2018
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2
Through clever partner selection, animals can increase the future success of their offspring. With some species, this process continues even after the sex act. Researchers at the Max Planck Institute for Evolutionary Biology ...
Evolution
Oct 1, 2018
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36
How do the large-scale patterns observed in evolution arise? A new paper in the journal Evolution by researchers at Uppsala University and University of Leeds argues that many of them are a type of statistical artefact caused ...
Evolution
Sep 28, 2018
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332
The reproductive history of the unisexual, ladies-only salamander species is full of evolutionary surprises.
Evolution
Jul 25, 2018
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234
Poisonous moths use bright red spots to warn predators to avoid them—but natural variation in these wing markings doesn't provide clear indications of how toxic individual moths might be—new research shows.
Evolution
Jun 4, 2018
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41
Zombie ants clamp on to aerial vegetation and hang for months spewing the spores of their parasitic fungi, but researchers noticed that they do not always clamp on to the same part of the plant. Now the researchers know that ...
Plants & Animals
May 29, 2018
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346
For a long time, hybridization—when distinct species mate and produce offspring—was thought to be a mistake. Yet, advancements in genomic testing tools have revealed naturally occurring hybridization as a fairly common ...
Evolution
Mar 26, 2018
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98
The shorter average lifespan of males compared to females appears not to be a result of the fact that males have only one X chromosome. This is the conclusion from a research study on fruit flies at Linköping University, ...
Evolution
Feb 13, 2018
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11