deepai WASHINGTON, Feb 26 – Growing crops on the moon or Mars may one day be possible by recycling human and plant waste into fertilizer, according to research published in ACS Earth and Space Chemistry.…
Ebola vaccine inches toward human clinical trials
[caption id="attachment_14507" align="alignnone" width="630"] Ebola virus swarms the surface of a host cell in this electron micrograph. Like most viruses, Ebola requires the help of a host cell to survive and replicate. PHOTO: TAKESHI NODA,…
Scientists deliver high-resolution glimpse of enzyme structure
New finding suggests differences in how humans and bacteria control production of DNA’s building blocks. [caption id="attachment_14503" align="alignnone" width="733"] Using a state-of-the-art type of electron microscopy, an MIT-led team has discovered the structure of an…
Waterbeds simulate weightlessness to help skinsuits combat back…
[caption id="attachment_14499" align="alignright" width="352"] SkinSuit evolution[/caption] Astronauts tend to become taller in weightlessness – causing back pain and making it difficult to fit into spacesuits. Astronauts may be more likely to suffer from ‘slipped discs’…
Chelyabinsk asteroid
[caption id="attachment_14494" align="alignnone" width="700"] Credit: M. Ahmetvaleev[/caption] Vapour cloud trail left by the Chelyabinsk asteroid as seen by M. Ahmetvaleev on 15 February 2013. It shows the path where an approximately 20 m-diameter, 13 000-tonne…