For centuries, naturalists have puzzled over what might constitute the head of a sea star, commonly called a "starfish." When looking at a worm, or a fish, it's clear which end is the head and which is the tail. But with ...
Plants & Animals
Nov 1, 2023
7
2586
Champion of regeneration, the freshwater polyp Hydra is capable of reforming a complete individual from any fragment of its body. It is even able to remain alive when all its neurons have disappeared. Researcher the University ...
Plants & Animals
Nov 23, 2015
0
3104
Australian and German researchers have collaborated to develop a genetic algorithm to confirm the rejection of classical notions of causality.
Quantum Physics
Apr 28, 2017
12
138
You can ditch your computer and leave your cellphone at home, but you can't escape your DNA. It belongs uniquely to you—and, increasingly, to the authorities.
Biotechnology
Jul 12, 2013
1
1
In animals that reproduce by internal fertilization, as humans do, you'd think a penis would be an organ you couldn't really do without, evolutionarily speaking. Surprisingly, though, most birds do exactly that, and now researchers ...
Plants & Animals
Jun 6, 2013
0
0
When Typhoid Mary died in 1938, in medical exile on a tiny New York island, she took untold numbers of Salmonella typhi to her grave. No one knew how the bacteria managed to thrive and not kill her.
Cell & Microbiology
Aug 15, 2013
0
0
(PhysOrg.com) -- Like most animals, snails have either left- or right-handed asymmetry (chirality), both internally and externally, and the handedness is hereditary. A new study has for the first time found that handedness, ...
What if computers could program themselves? Instead of the laborious job of working out how a computer could solve a problem and then writing precise coded instructions, all you would have to do is tell it what you want and ...
Computer Sciences
Mar 27, 2018
3
21
Hox genes are master body-building genes that specify where an animal's head, tail and everything in between should go. There's even a special Hox gene program that directs the development of limbs and fins, including specific ...
Biotechnology
Nov 19, 2014
0
0
A team of Belgian philosophers and plant biotechnologists have turned to cognitive science to explain why opposition to genetically modified organisms (GMOs) has become so widespread, despite positive contributions GM crops ...
Biotechnology
Apr 24, 2015
26
308
