At a Glance <ul><li>The ozone layer protects life on Earth from harmful radiation.</li><li>Its size is affected by stratospheric temperature and circulation.</li><li>A new study says pollution from … [+3029 chars]
An international group of astronomers, led by Juan Diego Soler of the Italian National Institute for Astrophysics (INAF), have found the imprint of the bubbles produced by the explosion of dying star… [+4608 chars]
<li>McCollum, A. M. & Damon, I. K. Human monkeypox. Clin. Infect. Dis.58, 260267. https://doi.org/10.1093/cid/cit703 (2014). Article PubMed Google Scholar </li><li>Jezek, Z., Szczeniowski… [+15132 chars]
The composition of the bulk, the outer core of the Earth, is not pure iron but has a density deficit of about 510%, indicating the existence of a considerable amount of light elements in the outer co… [+6681 chars]
