Mars Dust Poses Serious Health Hazards
April 14, 2025
Martian dust is toxic but will be very difficult to prevent getting into human lungs and blood.
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Tiny Life Benefits the Whole World
April 19, 2018
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 […]
Planetary Rings Defy Long Ages
November 1, 2016
Models of the origin of planetary rings are simulations based on fictions. Real physics cannot keep them billions of years old.