Physical Sciences

NASA discovers global ocean inside moon of Saturn

Analysis of measurements taken by NASA’s Cassini space probe suggests a global ocean beneath the surface of Saturn’s moon Enceladus (1). Enceladus, a world covered by a thick crust of ice, has long piqued NASA scientists’ interest because of the unusual liquid water geysers surrounding its south pole. These water […]


Researchers discover the key to staying dry underwater

Caption: Aquatic insects such as the pictured water bug use the same nanoscale surface roughness as the experimental, synthetic compounds in order to remain dry. (Source: Wikimedia Commons)

Oftentimes, the state of being “underwater” and being “wet” are used synonymously, but one can be wet without being underwater; and according to researchers at Northwestern University, one can be underwater without being wet (1). Through a combination of analysis of “air-retaining insect surfaces” used by aquatic insects, aging and […]


New particles discovered at CERN’s Large Hadron Collider

The LHCb detector that recently discovered pentaquarks. Source: 2008 CERN, photo Maximilien Brice, flickr.

On July 14, 2015, the LHCb (Large Hadron Collider beauty) experiment at CERN’s Large Hadron Collider announced the discovery of a new form of matter: the pentaquark particle. The theory describing these particles has existed since 1964, when the physicist Murray Gell-Mann proposed that protons and neutrons are made of […]


A discovery in fluid dynamics with cosmological implications

The inflationary universe: A new discovery in relativistic fluid dynamics could help scientists understand the expansion and fate of the universe.

Normally, fluid dynamics and cosmology are widely separate disciplines. Problems like the flow of water through a pipe have little to do with the evolution and fate of the universe; but, as it turns out, if one allow fluids to move near the speed of light, one will find some interesting properties […]


Closest star flyby of the solar system occurred 70,000 years ago

Images of a red dwarf star, the type of star that was involved in the flyby.
Source: Wikimedia Commons

A group of astronomers from the US, Europe, South Africa, and Chile have determined that, approximately 70,000 years ago, a recently discovered star is likely to have passed through the Oort Cloud, a region at the edge of the solar system from which comets arise (1). Its average distance at […]


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