Uncategorized
-
EarthPole flips tied to plate tectonics
A lopsided arrangement of continents could lead to reversals in Earth's magnetic field.
-
Ancient Rome forbade downtown traffic in day
Roman road congestion is as enduring as the Eternal City.
By Science News -
Letters
Lowdown on Earth’s heat “Science Stats” (SN: 8/27/11, p. 4) understates the power Earth radiates into space and mistakenly suggests that Earth radiates more energy from internal sources than it receives from the sun. The total (44 trillion watts) shown in your diagram must represent only the minuscule percentage (about 0.02 percent) from internal energy […]
By Science News -
SN Online
ENVIRONMENT Plastics sloughed off clothing can pollute coastlines.