... — from the time they germinate to the time that a seed they produce germinates — generally show more rapid rates of molecular evolution. Longer-lived trees and shrubs, by contrast, evolve more slowly ...
... system is relatively healthy, the HIV virus evolves at a constant and rapid rate, but when a patient's CD4+ cells decrease, HIV's rate of evolution slows. The shift occurs long before a ...
... study's authors note. The most recent erosion rates reached an average of 14 meters (45 ... study," Jones says. "Any increases in already rapid rates of coastal retreat will have further ramifications ...
... Outreach. "What is startling in these findings is the relatively rapid rate at which we're likely to see very ... gas emissions do not occur. Because rapid and extensive changes in fire regimes will alter ...
... -point decrease in a participant's social activity associated with an approximate 33-percent more rapid rate of decline.
A one-point decrease on the social activity scale was equivalent to being ...
... control this chromosome's demise. Now, scientists have discovered that the Y chromosome is evolving at a rapid rate, resulting in a dramatic loss of genes that eventually could lead to the chromosome ...
... galaxies gave birth to stars at a much more rapid rate than previously expected, the researchers from Durham ... forming regions, new stars were being created at a rate of about 50 stars per year - around ...
... timing of their reproduction, they are not convinced that the species will be able to compensate fully for the rapid rates of temperature change that are yet to come. "They're a little behind the ...
... change in various regions implied about species' future growth rate.
According to climate predictions, more rapid rates of warming of the Earth's surface will occur in the higher latitudes, ...
... a massive complex that is still able to move spontaneously, to rock back and forth at a fairly rapid rate. And that movement is not just some random movement, but it's the most important movement of ...
... unlike the weight loss phase, it appeared that bone breakdown and bone formation were balanced. Rapid rates of bone remodeling, regardless of the balance of breakdown and formation, can increase bone ...
... to form in dense areas, where star birth occurs at a rapid rate, instead of uniformly from galaxy to galaxy. Astronomers used the NASA/ESA Hubble Space Telescope to identify over 11 ...
... , morphine. Some individuals have a genetic variance which causes them to metabolize codeine at a rapid rate, producing significantly more morphine in their system than most of the population. While ...
... elsewhere on the globe in a changing climate, and right now they are experiencing some of the most rapid rates of environmental change in the world. Jess Tyler explains how pooling resources in an ...
... the final sound of the word. Previous theories have proposed that listeners can only keep pace with the rapid rate of spoken language—up to 5 syllables per second—by anticipating a small subset of ...
