It is well known that the size, shape and structure of organisms can evolve at different speeds, ranging from fast-evolving adaptive radiations to living fossils such as cichlids or coelacanths, respectively.
Plants & Animals
Jan 7, 2020
0
74
Attracting mates with showy displays may have helped dinosaurs develop feathers that let them take flight, according to new research by University of Alberta paleontologists.
Archaeology
Aug 2, 2019
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924
In the past several decades, a mutation has spread among male Pacific field crickets (Teleogryllus oceanicus) in Hawaii that leads to wing structures that are unable to produce the crickets' signature chirping. While the ...
Plants & Animals
Jul 2, 2019
0
1
If you've ever spent some time in the Caribbean, you might have noticed that humans are not the only organisms soaking up the sun. Anoles—diminutive little tree lizards—spend much of their day shuttling in and out of ...
Evolution
Apr 22, 2019
1
242
A study by Ph.D. student Hanna Nyborg Støstad has investigated the peculiar spiral shape of songbird sperm. Støstad compared sperm cells of 36 bird species including house sparrows and tree swallows, and found that species ...
Plants & Animals
Apr 5, 2019
0
197
A new study by researchers at The University of Western Australia has found that male insects are able to use female scent to assess not only how many eggs she will produce but also the egg-laying potential of their daughters.
Plants & Animals
Mar 27, 2019
0
46
In a paper published by Evolution, research led by Swansea University's Dr. Catalina Pimiento and co-authored by an international team of scientists from the UK, Europe and the USA examined the biological traits of all sharks ...
Evolution
Jan 24, 2019
0
198
A study, led by the University of Bristol, has shed some new light on how the beaks of birds have adapted over time.
Plants & Animals
Jan 22, 2019
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482
To female molly and Limia fish, nothing is hotter than a male with a large dorsal fin. But these fins aren't just decorations to attract females.
Evolution
Jan 17, 2019
0
85
Short-lived wild insects "get old—losing some of their physical abilities—before they die, new research shows.
Evolution
Jan 14, 2019
0
113
