Rachel Gotbaum

Plants compete so intensely for pollination that researchers find in certain hotspots such as tropical rainforests, some species are dying.

Organics and health food are a growing business in the United States. With recent news that farmed-raised salmon has up to ten times the levels of toxins compared to wild salmon, consumers are increasingly concerned about the fish they buy. The government

Demand for natural gas is growing at a rapid pace. The fuel is plentiful and less polluting than oil, and it emits less carbon dioxide than coal. The United States imports much of its natural gas from all over the world and ships it in large tankers to fo

Organics and health food are a growing business in the United States. With recent news that farmed-raised salmon has up to ten times the levels of toxins compared to wild salmon, consumers are increasingly concerned about the fish they buy. The government

Computer scientists are studying how the sense of touch can be achieved in the virtual world. Recently, scientists at MIT actually achieved the first trans-atlantic touch  ? through computers. Rachel Gotbaum reports from Cambridge, Massachusetts.