Articles by Joel Shirkin
The theory of what causes the disease and how it develops may be wrong.
Fish expend energy metabolizing drugs and personal products in fresh water.
Researchers are learning how to train pilots for the unexpected.
Rainstorms deposit sediment that hampers the effects of sunlight on lakes and rivers.
Remembering Joseph Weber, whose failure to detect gravitational waves helped lead to their discovery.
The temperature at which champagne is stored determines what comes out of the bottle.
Scientists differ on how many nomad plants roam the galaxy.
Analysis of dinosaur fossils showed that some parents warmed their eggs with body heat.
Canadians are changing how they say words -- and so are many Americans.
Scientists use oceanography technology to find the wrecks of World War II aircraft.
The implications for human reproduction beyond Earth are unclear.