Researchers build a new surface material that resists biofilm growth
This is the tale of two biological substances—cells from mammals and bacteria. It's a story about the havoc these microscopic entities can wreak on all manner of surfaces, from mighty ships to teeth...
View ArticleScientists control living cells with light; advances could enhance stem...
University of Central Florida researchers have shown for the first time that light energy can gently guide and change the orientation of living cells within lab cultures. That ability to optically...
View ArticleOpening up a colorful cosmic jewel box
(PhysOrg.com) -- Star clusters are among the most visually alluring and astrophysically fascinating objects in the sky. One of the most spectacular nestles deep in the southern skies near the Southern...
View ArticleRover Gives NASA an 'Opportunity' to View Interior of Mars
(PhysOrg.com) -- NASA's Mars exploration rover Opportunity is allowing scientists to get a glimpse deep inside Mars.
View ArticleHow many argon atoms can fit on the surface of a carbon nanotube?
(PhysOrg.com) -- Phase transitions -- changes of matter from one state to another without altering its chemical makeup -- are an important part of life in our three-dimensional world. Water falls to...
View ArticleBiochemists take a bead on gene-controlling code
(PhysOrg.com) -- DNA may provide the blueprint for life, but scientists are learning more about the role of a chemical code that governs the way that blueprint is read.
View ArticleSuperhot Planet Likely Possesses Comet-like Tail
(PhysOrg.com) -- As if the debate over what is and what is not a planet hasn't gotten confusing enough, Hubble Space Telescope astronomers have now confirmed the existence of a tortured, baked object...
View ArticleInstruments selected for Mars
ESA and NASA have selected the scientific instruments for their first joint Mars mission. Scheduled for 2016, it will study the chemical makeup of the martian atmosphere, including methane. Discovered...
View ArticleUA-Operated Stereo Camera Selected for Mars Mission
(PhysOrg.com) -- The UA's High Resolution Stereo Color Imager was selected as one of five instruments for the first joint mission to Mars by NASA and the European Space Agency. HiSCI is designed to...
View ArticleStudy to reveal link between climate and early human evolution
Olduvai Gorge is a steep-sided ravine on the edge of the Serengeti Plain, East Africa, and is home to some of the world's most important fossil hominins. Geologists are investigating the chemical...
View ArticleEndeavour crater provides possible evidence of past water
(PhysOrg.com) -- The Mars rover Opportunity is a senior citizen, but still spry, and as it peers over the rim of the giant impact crater called Endeavour, it's embarking on what could be called a new...
View ArticleChemical measurements confirm official estimate of 2010 Deepwater Horizon oil...
By combining detailed chemical measurements in the deep ocean, in the oil slick, and in the air, NOAA scientists and academic colleagues have independently estimated how fast gases and oil were leaking...
View ArticleDNA as invisible ink can reversibly hide patterns
(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building...
View ArticleOld star, new trick
The Big Bang produced lots of hydrogen and helium and a smidgen of lithium. All heavier elements found on the periodic table have been produced by stars over the last 13.7 billion years. Astronomers...
View ArticleHubble sees a galaxy festooned with stellar nurseries
(Phys.org) -- The galaxy NGC 4700 bears the signs of the vigorous birth of many new stars in this image captured by the NASA/ESA Hubble Space Telescope.
View ArticleDeveloping miniaturized spectrometer-on-a-chip
(Phys.org) -- The Composite Infrared Spectrometer (CIRS) is big. It's powerful and it discovered, among other things, that Saturn's mysterious moon Enceladus was one of the very few worlds in the solar...
View ArticleStellar makeup impacts habitable zone evolution
(Phys.org)—A star's internal chemistry can doom a planet's life long before the star itself dies.
View ArticleWeird Mars rock has interesting back story
The Mars Science Laboratory team has identified their target for the first full-up contact science investigations using all the instruments attached to the Curiosity rover's robotic arm. And 'target'...
View ArticleNearby super-Earth likely a diamond planet
(Phys.org)—New research led by Yale University scientists suggests that a rocky planet twice Earth's size orbiting a nearby star is a diamond planet.
View ArticleMars rock touched by Curiosity has surprises
(Phys.org)—The first Martian rock NASA's Curiosity rover has reached out to touch presents a more varied composition than expected from previous missions. The rock also resembles some unusual rocks...
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