Maturation-Dependent HIV-1 Surface Protein Redistribution Revealed by Fluorescence Nanoscopy A new method, based on nonlinear state space reconstruction, can distinguish causality from correlation. The protein XErp1 regulates cell cycle progression in frog embryos by inhibiting the anaphase-promoting complex/cyclosome.ĭetecting Causality in Complex Ecosystems The APC/C Inhibitor XErp1/Emi2 Is Essential for Xenopus Early Embryonic Divisions REVIEW 491 Glial Progenitor Cell–Based Treatment and Modeling of Neurological Disease This Week in Science Editors’ Choice Science Staff AAAS News & Notes New Products Science Careers Image: Zeresenay Alemseged/Dikika Research Project The scapulae display several apelike characteristics, implying that A. The scapulae were recently freed from their sandstone matrix and are described in the Report on page 514. The upsidedown view reveals her palate, vertebral column, and both shoulder blades (in this orientation, the scapula on the right measures 60 millimeters across). Student-Directed Discovery of the Plant Microbiome and Its ProductsĪ Mutant Search-Caenorhabditis elegans and Gene DiscoveryĬOVER Skull and shoulders of “Selam”-a 3.3-million-year-old female child Australopithecus afarensis from Dikika, Ethiopia. LETTERS 467 A Curiosity Moment for Tropical Biology?ĭuty of Care: Protecting Researchers AbroadĬan Intellectual Property Save Drug Development?ĬORRECTIONS AND CLARIFICATIONS TECHNICAL COMMENT ABSTRACTS Lending Handedness to the Cyclopentadienyl Ligand Prison Terms for L’Aquila Experts Shock Scientists Questions About Japanese Researcher Go Back Years When a Brain Scan Bears Bad NewsĬongratulations! Now Get to Work For Once, Science Is an Issue in Race for a Seat in Congress Food Labeling Issue Tops State Ballot Questions Want to Tear Down Your Rival? Here’s What Might Work Best POLICY FORUM 472 Social Media and the Elections 470 Transhumanist Dreams and Dystopian Nightmares
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