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HumansCongress upgrades fisheries protection
Congress has reauthorized and strengthened a 30-year-old federal law governing fishing and ocean management.
By Janet Raloff -
AgricultureBig footprints
Livestock production carries surprisingly high, and largely hidden, environmental costs.
By Janet Raloff -
19779
Do cows and other domestic-herd animals really emit more methane than bison and other wild-herd animals emitted before people came along? Do grass, alfalfa, and other pasture plants remove less carbon dioxide than do forests? There were open grasslands before pastures replaced some forests. I hope the people who are researching these things take such […]
By Science News -
Stem cells float in amniotic fluid
Scientists have discovered a new type of stem cell in the fluid that bathes fetuses in the womb.