Surpassing competition after only over three years of research,a record efficiency of 44.7% was measured at a concentration of 297 suns for this solar cell.
The Fraunhofer Institute for Solar Energy Systems ISE, Soitec, CEA-Leti and the Helmholtz Center Berlin jointly announced today having achieved a new world record for the conversion of sunlight into electricity using a new solar cell structure with four solar subcells. Surpassing competition after only over three years of research, and entering the roadmap at world class level, a new record efficiency of 44.7% was measured at a concentration of 297 suns. This indicates that 44.7% of the solar spectrum’s energy, from ultraviolet through to the infrared, is converted into electrical energy. This is a major step towards reducing further the costs of solar electricity and continues to pave the way to the 50% efficiency roadmap.
Scientists at the Gladstone Institutes and UC San Francisco have made an important breakthrough: they have discovered a way to transform skin cells into mature, fully functioning liver cells that flourish.
The public's view that science and religion can't work in collaboration is a misconception that stunts progress, according to a new survey of more than 10,000 Americans, scientists and evangelical Protestants.
A new high-accuracy calibration of the LUX (Large Underground Xenon) dark matter detector demonstrates the experiment’s sensitivity to ultra-low energy events. The new analysis strongly confirms the result that low-mass dark matter particles were a no-show during the detector’s initial run, which concluded last summer. The first dark matter search results from LUX detector were announced last October. The detector proved to be exquisitely sensitive, but found no evidence of the dark matter particles during its first 90-day run, ruling out a wide range of possible models for dark matter particles. Previous experiments had detected potential signatures of dark matter particles with a very low mass, but LUX turned up no such signal. This latest work was focused on demonstrating the high sensitivity of LUX to potential signals in the search for those low-mass particles.
Healthy baby born after ovarian tissue removed, stimulated and reinserted.
A previously infertile woman has given birth to a healthy baby after undergoing a procedure that involved removing her ovaries and stimulating them in the lab to produce eggs. The fertility treatment, dubbed in vitro activation, could offer hope to millions of women who have problems with ovulation.
In vitro activation addresses a condition called primary ovarian insufficiency, or premature ovarian failure, whereby egg-containing ovarian follicles do not grow in the way that they are supposed to. Few, if any, eggs ever reach maturity. As many as 1% of women of reproductive age are infertile because of the condition, and egg donation is the currently the only option available to help these women to become pregnant.