Washington, Apr 2 : American country-pop singer Taylor Swift has revealed that she has no regrets about revealing her break-up with Jonas Brothers star Joe to the public.

Jonas, 19, had ended his relationship with Swift, 19, last year, with a 25-second phone call.

Swift in turn wrote about her heartache in the song `Forever and Always', and insists that she would keep on writing personal tunes.

"Writing songs about people is the only way I know how to do things. I mean, I can''t wish I hadn''t written a song about someone, because if I hadn''t, that song wouldn''t exist," Contactmusic quoted her as telling Seventeen magazine.

"I just don''t find any joy in writing about things I haven''t been through.

Washington, Apr 2 : In a breakthrough study, researchers have developed a new stem cell therapy that may help in treating hearing impairment.

Deafness typically involves the loss of sensory receptors, called hair cells, for their "tufts" of hair-like protrusions, and their associated neurons.

Washington, April 2 : A team of scientists has determined that tapping industrial waste heat could reduce fossil fuel demands in the short term and improve efficiency of countless manufacturing processes.

The scientists, Lihua Zhang and Tomohiro Akiyama of Hokkaido University, Sapporo, Japan, explain that heat waste from industrial processes, such as combustion and electricity generation is sometimes of low energy and diffuse.

Capturing this low-quality heat for re-use elsewhere on an industrial plant is usually not practical.

New York, April 2 : U. S. First Lady Michelle Obama seems to have cast her spell on British minds because her attire, physique, and good nature are what each one is talking about.

A Daily Mail report suggests that its readers in London are so obsessed with Michelle that they have started to wonder whether her "toned physique is (due) to more than just hours in the gym."

Michelle's chic outfits have also won universal approval in the British press.

Washington, April 2 : University of Washington experts have warned that the way modern technology has been breaking people's connections with the natural world may give rise to a major psychological problem.

"We are a technological species, but we also need a deep connection with nature in our lives," said Peter Kahn, a UW developmental psychologist.

Kahn and two of his UW graduate students, Rachel Severson and Jolina Ruckert, explored how humans connect with nature and technological nature.

Washington, Apr 2 : Hollywood actress Emma Roberts has revealed that enacting a sex scene with Rory Culkin in her forthcoming flick `Lymelife' left her red-faced.

The niece of acclaimed actress Julia Roberts said that she found the scene to be thwarting.