Tuning light to kill deep cancer tumors

An international group of scientists led by Gang Han, PhD, at the University of Massachusetts Medical School, has combined a new type of nanoparticle with an FDA-approved photodynamic therapy to effectively kill deep-set ...

Green light for clever algae

Phytoplankton not only constitutes the foundation of the food chain in the oceans, it also fixes carbon through photosynthesis and generates oxygen with the help of solar energy. A considerable part of phytoplankton is made ...

How the signal from light triggers biological action in bacteria

Sunlight is the basis for all life on Earth so it should come as no surprise that many organisms have developed complex systems for detecting the quality and quantity of light in their environment. Plants, fungi, and many ...

Detecting trace amounts of explosives with light

(Phys.org) —University of Adelaide research may help in the fight against terrorism with the creation of a sensor that can detect tiny quantities of explosives with the use of light and special glass fibres.

Algae 'see' a wide range of light

(Phys.org) —Aquatic algae can sense an unexpectedly wide range of color, allowing them to sense and adapt to changing light conditions in lakes and oceans. The study by researchers at UC Davis was published earlier this ...

Companion's comets the key to curious exoplanet system?

(Phys.org) —The nearby star Fomalhaut A hosts the most famous planetary system outside our own Solar System, containing both an exoplanet and a spectacular ring of comets. Today, an international team of astronomers announced ...

Mysterious hot spots observed in a cool red supergiant

(Phys.org) —Astronomers have released a new image of the outer atmosphere of Betelgeuse – one of the nearest red supergiants to Earth – revealing the detailed structure of the matter being thrown off the star.

Review: BlackBerry Z10 delivers, but doesn't stand out

The BlackBerry Z10 went on sale Friday in the U.S., and BlackBerry loyalists will like the improvements that come with the new smartphone and operating system. But for consumers who are looking for an alternative to Apple's ...

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