VIEW HEADLINES ONLY

Tiny Life Benefits the Whole World

Some very small organisms can produce global effects, such as the tiny crustaceans that stir the oceans every night. What would the oceans be like without life? If minerals, gases and nutrients had to mix by diffusion, the process would be very slow. Wind and currents could help somewhat. Now, Houghton et al., publishing in […]
Cassini at Saturn

Planetary Rings Defy Long Ages

Models of the origin of planetary rings are simulations based on fictions. Real physics cannot keep them billions of years old.
All Posts by Date