When a human bone was found on a gravelly riverbank by a bone-carver who was searching for mammoth ivory, little did he know it would provide the oldest modern-human genome yet sequenced. The anatomically modern male thigh-bone, ...
Archaeology
Oct 24, 2014
26
1
A team led by biologists at The University of Texas at Arlington has published a study supporting the theory that species that reproduce asexually have more harmful genetic mutations than those utilizing sexual reproduction.
Evolution
Aug 1, 2022
0
218
Many life-threatening diseases are caused or exacerbated by a mere change of a single nucleotide building block in the universal genetic DNA code. Such "point mutations" can turn a single cell in the human body into a cancerous ...
Biotechnology
Mar 26, 2018
1
77
In 2011, Nature announced that scientists had discovered a single-celled organism that is a primitive farmer. The organism, a social amoeba called Dictyostelium discoideum, picks up edible bacteria, carries them to new locations ...
Biotechnology
Jul 29, 2013
6
0
(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.
Evolution
May 11, 2011
18
0
(Phys.org) —They are the latest foodie fashion and look set to become big business in the baking aisles of all the major supermarkets – the blue egg produced by some chickens is prettier and some say tastier and cleaner-breaking ...
Biotechnology
Aug 20, 2013
0
0
DNA holds the story of our ancestry – how we're related to the familiar faces at family reunions as well as more ancient affairs: how we're related to our closest nonhuman relatives, chimpanzees; how Homo sapiens mated ...
Evolution
Apr 7, 2017
0
37
One of the more difficult aspects of evolution for some people to swallow is the notion that random copying errors in DNA can add up to anything useful.
Evolution
Oct 8, 2012
3
0
Genetic variation is the ultimate fuel for evolution, says Utah State University evolutionary geneticist Zachariah Gompert. But, over centuries, that fuel reservoir gets depleted in the course of natural selection and random ...
Plants & Animals
Jun 12, 2023
0
306
A team of researchers at the University of Sydney has discovered a honeybee gynandromorph with two fathers and no mother—the first ever of its kind observed in nature. In their paper published in the journal Biology Letters, ...
