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Have We Used Up All Of Our Resources On Earth?

Have we used up all our resources? Have we filled up all the livable space on Earth? Paul Gilding suggests we have, and the possibility of devastating consequences, in a talk that’s equal parts terrifying and, oddly, hopeful.

For more information:

http://palscience.com/inspiration/have-we-used-up-all-of-our-resources-on-earth/#.UE23S67y61s

Eat Walnuts to Improve Sperm Quality

n industrialized countries, infertility and subfertility among men caused by poor semen quality have been inked to unhealthy lifestyles, pollution, and the Western-style diet. But a new study, published in the online journal Biology of Reproduction, found that daily consumption of walnuts can boost the structure, vitality and motility of healthy, young men’s sperm.

The researchers worked on the hypothesis that adding 75 grams of whole-shelled walnuts to the daily, Western-style diet of healthy men in their 20s and 30s would improve the quality of their sperm.

For more information:

http://palscience.com/health-medicine/eat-walnuts-to-improve-sperm-quality/#.UE22Na7y61s