In a landmark study, scientists from Australia, Germany and Russia have used ancient DNA recovered from sediment samples from Denisova Cave in Siberia to reveal a detailed occupational history of this unique site by three ...
Archaeology
Jun 23, 2021
1
1577
Male infertility affects more than 20 million men globally and is a contributing cause to around 50% of infertility in couples. Frequently, male infertility is the result of defects in the sperm tail, the flagellum, which ...
Plants & Animals
Jun 14, 2021
0
6
How does our gut respond and adapt to changing conditions? Where does this fundamental and critical flexibility come from? Technion scientists are unraveling the genius of the gut's microbiome, through microbiota, all the ...
Molecular & Computational biology
Jun 11, 2021
0
9
Scientists have proposed that males and females started to become more similar in size and shape after the origin of farming due to natural selection. However, a new evolutionary and genomic analysis by George Perry of Pennsylvania ...
Evolution
Jun 3, 2021
0
8
To analyze the genome or the genetic characteristics of a living organism, scientists typically rely on samples of millions of cells. The problem is that the DNA in each of our cells is not identical.
Biotechnology
Jun 2, 2021
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10
A new study has mounted perhaps the most intricate, detailed look ever at the diversity in structure and form of bees, offering new insights in a long-standing debate over how complex social behaviors arose in certain branches ...
Plants & Animals
May 26, 2021
0
4
For the first time, researchers have successfully sequenced the entire genome from the skull of Peştera Muierii 1, a woman who lived in today's Romania 35,000 years ago. Her high genetic diversity shows that the out of Africa ...
Evolution
May 20, 2021
0
242
The morphological compatibility between flowers and insects was given in the famous textbook example of Darwin's orchids and hawkmoths. As in this example, many studies have shown that geographical variations in flower size ...
Evolution
May 10, 2021
0
5
The identity of the skeletal remains of a member of the 1845 Franklin expedition has been confirmed using DNA and genealogical analyses by a team of researchers from the University of Waterloo, Lakehead University, and Trent ...
Archaeology
May 6, 2021
0
102
A research team from the Senckenberg Natural History Collections in Dresden and the Zoological State Collection in Munich has studied the occurrence of the Italian barred grass snake in Bavaria. Based on over 1000 samples, ...
Plants & Animals
Apr 21, 2021
0
14
