Studies of medaka fish raised on the International Space Station shed light on how bone responds to sustained exposure to microgravity.
Space Exploration
Sep 23, 2015
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32
A fossil lower jaw found in the Ledi-Geraru research area, Afar Regional State, Ethiopia, pushes back evidence for the human genus—Homo—to 2.8 million years ago, according to a pair of reports published March 4 in the ...
Archaeology
Mar 4, 2015
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8
Trap-jaw ant species are active hunters with venomous stings and jaws powerful enough to fling themselves through the air. According to new research, they are also spreading into new territory in the southeastern United States. ...
Plants & Animals
Jun 18, 2014
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1
Sequencing the genomes of vertebrates can provide scientists with valuable clues about the evolution of the human genome. By analyzing and comparing different genomes, researchers can pinpoint variations in genes and proteins ...
Plants & Animals
Mar 12, 2014
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0
According to the '2R hypothesis', the evolution of modern vertebrates was propelled forward in part by two events in our early ancestry in which the entire genome was duplicated. These events, known as 1R and 2R, yielded ...
Biotechnology
Feb 12, 2014
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0
All of us backboned animals – at least the ones who also have jaws – have four fins or limbs, one pair in front and one pair behind. These have been modified dramatically in the course of evolution, into a marvelous variety ...
Evolution
Jan 27, 2014
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0
A Singapore-based research team has used fluorescent labeling of embryonic cell populations to pinpoint the origin of scales and fins in modern-day fish. These tissues are evolutionary relics of the first skeletons and were ...
Evolution
Aug 28, 2013
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0
Researchers from the University of Valencia and the Natural History Museum of Berlin have studied the fossilised remains of scales and bones found in Teruel and the south of Zaragoza, ascertaining that they belong to a new ...
Archaeology
Jun 3, 2013
2
0
The invention of the jaw is the most profound and radical evolutionary step in the vertebrate history. However, the sequence leading to the evolutionary origin of the jaw is still unclear largely due to the absence of data ...
Archaeology
Nov 14, 2012
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0
Fossils discovered east of Africa's Lake Turkana confirm that there were two additional species of our genus—Homo—living alongside our direct human ancestral species, Homo erectus, almost two million years ago. The finds, ...
Paleontology & Fossils
Oct 3, 2012
5
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