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How smart are amoebas?
Amoebas seem to possess a rudimentary form of memory that keeps them from walking around in circles.
- Plants
Old plants were lost in the grass
An obscure family of plants long thought to be relatives of grasses turns out to represent one of the most ancient surviving lineages of flowering plants.
- Health & Medicine
Working in a cotton mill has bright side
People who work amid bales of raw cotton are less likely to get lung cancer than are people in the general population, a study of Chinese women indicates. While past research has shown that workers in a cotton mill tend to develop shortness of breath, chronic cough, and other health problems, some scientists also noted […]
- Earth
Fits and Starts
New data identify some factors that influence the highly variable flow rates of ice streams, the megaglaciers that carry most of Antarctica's ice to the sea.
