Catálogo de publicaciones - revistas

<jats:p> A focus on conservation in this issue of <jats:italic>Science</jats:italic> appears on the eve of Earth Day, which is being celebrated by scientists in meetings and public events worldwide. Conservation professionals, who have long condemned attacks on the environment, will gather for Earth Optimism events to highlight conservation achievements. Separately, but simultaneously, marches for science will highlight science's achievements but also decry that science, scientists, and evidence-based policy-making are under attack. Although distinct in emphasis, these events speak with the same voice. </jats:p>

<jats:p>A roundup of weekly science policy and related news.</jats:p>

<jats:p>Deviations in B meson decays provide hints of new particles at the Large Hadron Collider.</jats:p>

<jats:p>Mining operation in China threatens fossils and embryos that may be the oldest known animals.</jats:p>

<jats:p>Proposal to automate the synthesis of natural product molecules could be a boon for drug discovery.</jats:p>

<jats:p>As marijuana acceptance grows, researchers begin to find out the basics of a plant cultivated since ancient times.</jats:p>

<jats:p>Geophysicists' plan to merge harassment with traditional forms of misconduct is unwise, critics say.</jats:p>

<jats:p>Expedition aims to discover why sea ice in Antarctica is expanding as Arctic packs shrink.</jats:p>

<jats:p>A giant ring laser, sensitive to the spin of the planet and the twist of earthquakes, will open new windows in earth science.</jats:p>

<jats:p>How the physicist's aging space magnet, in a final flourish, may have trapped heavy antimatter.</jats:p>