(Phys.org)—One of the most puzzling things about evolution is that, even after 4 billion years, it hasn't stopped. Instead of culminating in a single best adapted species, today the Earth contains an estimated 8.7 million ...
A database of 10,000 bird species shows how measurements of wings, beaks and tails can predict a species' role in an ecosystem.
Plants & Animals
Jan 13, 2020
1
516
A new study has found that birds build hanging-nests, particularly those with extended entrance tunnels, to help protect offspring against nest invaders like snakes and parasitic cuckoos.
Evolution
Dec 20, 2022
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300
Researchers have found that bird species with multiple plumage colour forms within in the same population, evolve into new species faster than those with only one colour form, confirming a 60 year-old evolution theory.
Evolution
May 9, 2012
38
0
(PhysOrg.com) -- A new technique has allowed scientists to pin down the timing of ancient glaciations, linking them more firmly to two bursts of extinction.
Earth Sciences
Mar 8, 2011
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0
The question over how Homo antecessor, the earliest known hominin species in Europe, is related to other Homo species and where it sits on the evolutionary tree has been much debated. Although genetic data and fossil records ...
Archaeology
May 8, 2020
1
395
(Phys.org) -- Fruit flies are commonly used in genetics research because their lifespan is short, they are easy to breed in the laboratory, and mutants are widely available. There are about 1,500 known species. Now a new ...
Ctenophores, also known as comb jellies, are a group of over 200 living species of invertebrate animals with a transparent gelatinous body superficially resembling that of a jellyfish. There is much interest in ctenophore ...
Paleontology & Fossils
Aug 20, 2021
0
543
The pelvis is the part of the human skeleton with the largest differences between females and males. The female birth canal is on average more spacious and exhibits shape features that enable birth of a large baby with a ...
Evolution
Mar 25, 2021
4
1362
The evolution of giant tortoises might not be linked to islands, as has previously been thought. In a first-of-its-kind study, researchers from Argentina and Germany have presented the most comprehensive family tree of extinct ...
Plants & Animals
Oct 24, 2018
0
18
