Clouds form when water vapor – an invisible gas in the atmosphere – sticks to tiny floating particles, such as dust, and turns into liquid water droplets or ice crystals. In a newly published ...

Abstract: The present invention includes compositions and methods for the expression, secretion and use of novel compositions for use as, e.g., vaccines and antigen delivery vectors, to delivery ...

But what is dark matter? One idea is that it could contain "supersymmetric particles" – hypothesized particles that are partners to those already known in the Standard Model. Experiments at the Large ...

Calcium hexaluminate (CaAl 12 O 19, CaO.6Al 2 O 3, or CA 6) is an alumina-rich compound that contains 92 wt% of Al 2 O 3 and 7-8 wt% of CaO and presents high thermal stability and refractoriness ...