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Read article: Functional MRI tracks neurotransmitters Imaging Research update Functional MRI tracks neurotransmitters Method could study important brain functions by mapping neural signals
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Read article: All alone in the universe? Telescopes and space missions Opinion and reviews All alone in the universe? Jack Lissauer reviews Lee Billings' Five Billion Years of Solitude, a collection of stories about exoplanet science
Read article: Chip-based optical traps shed light on DNA Ultracold matter Research update Chip-based optical traps shed light on DNA Devices could be used in high-throughput screening of biological molecules
Read article: Saliva-powered microbial fuel cell built Transport properties Research update Saliva-powered microbial fuel cell built New graphene-anode cell that produces 1 µW could be used as an ovulation test
Read article: Nanoparticles boost solar-energy capture by plants Soft matter and liquids Research update Nanoparticles boost solar-energy capture by plants Nanotube-augmented plants are a "nanobionic" first