Tag: "sharpen" at biology news
New Fossil Discoveries Clinch Ancient Age Of Human Ancestor
...n a female's--a characteristic of male apes, which sharpen
their teeth to use as weapons," he adds. Among the new fossils is a wrist bone, which Walker says has the primitive features of a chimpanzee's. On the other hand, he says, the leg bone is more like a modern human's, with a structure that allowe...
Perception is stored in single neurones
...des that there are apparently single neurones that sharpen
our perception when they are trained to respond to categories. By making generalizations our brain is able to encode and interpret what we see around us....
Europes population has developed new tendency to shrink, Science study reports
...nsights into the nature of population dynamics. To sharpen
the focus on them, we had to eliminate other effects like migration in the calculations," Lutz said. According to the researchers' calculations, if women's average age at childbirth continues to increase for another 10 to 40 years, there will be a bu...
Radiation therapy targets cancer cells on two fronts, Science study says
... for tumor therapy. Advances in tumor biology will sharpen
the focus of clinical treatments and provide much needed scientific background for new approaches to cancer therapy," said Fuks. The authors explained that they are part of a small but growing group who support new approaches to radiation therapy for...
With nature's help, a better vision system for smart weapons
...rings with a series of precisely spaced holes that sharpen
the focus quality of the beam. Although similar de... of the project team, said although the holes help sharpen
the focus of the light, they also significantly reduce the amount of light that gets through the met...