While global warming is slowly pushing up sea levels around the world, the Mediterranean seems to be shrinking. British researchers, who carried out the analysis, say the drop in sea level is caused by the Mediterranean becoming more salty. British biologists say that the ecological mayhem caused by the pipeline dwarfs any gain Chad would get in oil revenues. A team based in California has created a hybrid of HIV and another virus that can enter cells, but can't replicate once it's there. They have found that Pecos pupfish prefer to mate with males of another species.
Birds are the only animals to do well when human income levels go up, they say.
Neurologists have now found a way to beat the brain at these tricks-by using mirrors. By testing how animals react to their reflections scientists hope to delve into their minds. Some say it's the test of true self-awareness, others that the mirror's message has been misunderstood. This confusion has puzzled developmental biologists for decades. But at last, researchers think they may have found out why an embryo suddenly breaks away from the left-right pattern most of our bodies have.