Latest Issue 31 Aug 2015 Latest Issue 31 Aug 2015 Artwork of a hemispherical cross-section through the Earth, showing its internal structure and layers (inner core; outer core; lower mantle; upper mantle; crust) to scale.PLANETARY VISIONS LTD / SCIENCE PHOTO LIBRARY NewsEarth Sciences Captured: antimatter from the centre of the Earth Antimatter can reveal the secrets of the Earth's inner workings. by Belinda Smith News Life Sciences Fighting superbugs with supercomputers by Viviane Richter Supercomputers help design more effective anti-microbials. News Life Sciences Saving the world's crops with a bee vaccine by Viviane Richter Researchers have learned how queen bees immunise their young. Gallery Physical Sciences Atoms in close-up by Viviane Richter A look at the building blocks of matter. Opinion Space Is a trip to Mars ethical? by Laurie Zoloth When is putting human life at risk the right thing to do? Review Life Sciences Microbes reconsidered by Bill Condie A review of Life's engines, a book about microbes and evolution. News Society From the vault: The science of happiness by COSMOS editors A look back at some of our most popular articles.