AAAS: Science Magazine (Vol 369, No. 6508, 4 September 2020)

Cover. Science Magazine (Vol 369, No. 6508, 4 September 2020)AAAS. Science Magazine (Vol 369, No. 6508, 4 September 2020). American Association for the Advancement of Science, 2020. Unmarked text. A few tears on edge. Acceptable. Paperback. (#31173) $12.00

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Special issue on Democracy in the Balance. Also Mine waste can suck CO2 out of the sky, how plants drive the silicon cycle in aging soils, adenoisine mediates sleep and wakefulness, and more.

AAAS: Science Magazine (Vol 369, No. 6506, 21 August 2020)

Cover. Science Magazine (Vol 369, No. 6506, 21 August 2020)AAAS. Science Magazine (Vol 369, No. 6506, 21 August 2020). American Association for the Advancement of Science, 2020. Unmarked text. Some edge wear.Good. Paperback. (#31165) $12.00

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A special issue on the world of mud. Also STING agonists for cancer immunotherapy, rethinking the lead-acid battery, a 21st atlas of the human brain. pp877-1028.

AAAS: Science Magazine (Vol 369, No. 6507, 28 August 2020)

Cover. Science Magazine (Vol 369, No. 6507, 28 August 2020)AAAS Science Magazine (Vol 369, No. 6507, 28 August 2020). American Association for the Advancement of Science, 2020. Unmarked text. A few tears on edge. pp1029-1140. Acceptable. Paperback. (#31164) $12.00

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Features Chemistry by Qubit, quantum chip simulates molecular isomerization. Also Ecologists battle invasive coconut palms, digital health transformation in India, uncovering the origin of the Earth’s water, and more.