'How empty' presentation slideshows

Joanne Yaffe, PhD, University of Utah Paul Montgomery, PhD, University of Oxford

How Empty Are Empty Reviews? The first report on the Empty Reviews Project sponsored by the Cochrane Opportunities Fund and an invitation to participate in the development of reporting guidelines. Joanne Yaffe, PhD, University of Utah Paul Montgomery, PhD, University of Oxford

454 views • 29 slides

Our Place in Space

Our Place in Space. Meredith Hughes Harvard-Smithsonian Center for Astrophysics. What is this?. How big is space?. 1 second. 2 million years!. 45 minutes. 4 years. 8 minutes. How big is space?. 40 billion billion Nitrogen 10 billion billion Oxygen 1 billion billion Water

218 views • 8 slides

284 views • 3 slides