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Yahoo! and Alibaba Reach Agreement on Comprehensive Plan for Alibaba Stake

By Guest PostMay 20, 2012Technologyalibaba, alibaba group, China, e commerce company, goldman sachs, initial public offering, ipo, jack ma, joe tsai, michael callahan, monetization, ross levinsohn, tim morse, ubs investment bank, Yahoo, yahoo stake

Agreement Realizes Significant Value, Immediate Liquidity and Path to Future Monetization

Yahoo! Board Increases Share Repurchase Plan by US$5 Billion

SUNNYVALE, Calif. & HANGZHOU, China — Yahoo! Inc. and Alibaba Group Holding Limited today announced they have entered into a definitive agreement for a staged and comprehensive value realization plan for Yahoo!’s stake in Alibaba.

The first step is the repurchase by Alibaba of up to one-half of Yahoo!’s stake, or approximately 20% of Alibaba’s fully-diluted shares. The purchase price will be based on a valuation of Alibaba to be established through equity financings that Alibaba intends to undertake to finance the transaction, subject to a floor valuation of approximately US$35 billion. The agreement includes substantial financial incentives for Alibaba to raise the additional equity at a valuation higher than US$35 billion. At the minimum price and assuming the initial repurchase of the full 20% stake, Yahoo! would receive from Alibaba consideration of approximately US$7.1 billion, composed of at least US$6.3 billion in cash proceeds and up to US$800 million in newly-issued Alibaba preferred stock. (more…)

Clergy can fight HIV on faith-friendly terms

By Guest PostMay 20, 2012Culture, Healthafrican american, african american clergy, aids epidemic, amy nunn, black americans, black clergy, blacks, brown university, hiv, hiv infection, hiv prevention, michelle lally, miriam hospital, philadelphia, sex, sexuality, tim flanigan, united states

In the United States, where blacks bear a disproportionate burden of the HIV/AIDS epidemic, black religious institutions could help turn the tide. In a new study in PLoS ONE based on dozens of interviews and focus groups with 38 of Philadelphia’s most influential black clergy, physicians and public health researchers find that traditional barriers to preaching about HIV prevention could give way to faith-friendly messages about getting tested and staying on treatment.

PROVIDENCE, R.I. [Brown University] — The public health community has long struggled with how best to reduce HIV infection rates among black Americans, which is seven times that of whites. In a new paper in the journal PLoS ONE, a team of physicians and public health researchers report that African-American clergy say they are ready to join the fight against the disease by focusing on HIV testing, treatment, and social justice, a strategy that is compatible with religious teaching. (more…)

Statistical Analysis Projects Future Temperatures in North America

By Guest PostMay 20, 2012Environmentbayesian statistics, change, climate models, climate projection, emily kang, emissions scenario, great lakes, hudson bay, midwest, narccap, noel cressie, North America, ohio state university, pam frost gorder, projection, rocky mountains, seasonal temperature, spatial statistics, statistical analysis, temperature

COLUMBUS, Ohio – For the first time, researchers have been able to combine different climate models using spatial statistics – to project future seasonal temperature changes in regions across North America.

They performed advanced statistical analysis on two different North American regional climate models and were able to estimate projections of temperature changes for the years 2041 to 2070, as well as the certainty of those projections.

The analysis, developed by statisticians at Ohio State University, examines groups of regional climate models, finds the commonalities between them, and determines how much weight each individual climate projection should get in a consensus climate estimate. (more…)

Lighting the Way to a Fast, Low-power Optical Transistor

By Guest PostMay 20, 2012Scienceoptical switch, optical transistor, opto electronic approach, quantum dot, quantum dot switch

COLLEGE PARK, Md. — There has been enormous progress in recent years toward the ability to use light beams instead of, or together with, electrons in computers. Now, researchers at the Joint Quantum Institute (JQI) — a University of Maryland-based collaboration between UMD and the National Institutes of Standards and Technology — have developed a light-based switch that is a major advance toward the creation of an optical equivalent of the transistor, the centerpiece of most electronic gear. (more…)

Isoprene Research Could Lead to Eco-Friendly Car Tires

By Guest PostMay 20, 2012Technologyalternative solutions, automobile tire, bio isoprene, isoprene, rubber industry, synthetic rubber

EAST LANSING, Mich. — The world’s rubber supplies are in peril, and automobile tire producers are scrambling to seek alternative solutions. (more…)

Testosterone-fuelled Infantile Males Might be a Product of Mom’s Behaviour

By Guest PostMay 19, 2012Healthenvironmental factors, infancy, maternal smoking, sexual behaviour, testosterone levels

By comparing the testosterone levels of five-month old pairs of twins, both identical and non-identical, University of Montreal researchers were able to establish that testosterone levels in infancy are not inherited genetically but rather determined by environmental factors. (more…)

OMG! Texting Ups Truthfulness, New Iphone Study Suggests

By Guest PostMay 19, 2012Technologyiphone study, text messaging, texting, truthfulness

ANN ARBOR, Mich.— Text messaging is a surprisingly good way to get candid responses to sensitive questions, according to a new study to be presented this week at the annual meeting of the American Association for Public Opinion Research. (more…)

Brian Reggiannini Figures out Who’s Talking

By Guest PostMay 19, 2012Sciencealgorithms, analog devices, brian reggiannini, brown university, commercial success, computer, conventional wisdom, david orenstein, harvey silverman, industry, microphone, microphone arrays, modeling talkers, norwood, speaker, speaker recognition, who is talking

If computers could become ‘smart’ enough to recognize who is talking, that could allow them to produce real-time transcripts of meetings, courtroom proceedings, debates, and other important events. In the dissertation that will allow him to receive his Ph.D. at Commencement this year, Brian Reggiannini found a way to advance the state of the art for voice- and speaker-recognition.

Everyone does signal processing every day, even if we don’t call it that. With friends at a sports bar, we peer up at the TV to see the score, we turn our head toward the crashing sound when a waitress drops a glass, and perhaps most remarkably, we can track the fast-paced banter of all the people in our booth, even if we’ve never met some of the friends-of-friends who have insinuated themselves into the scene.

Very few of us, however, could ever get a computer to do anything like that. That’s why doing it well has earned Brian Reggiannini a Ph.D. at Brown and a career in the industry.

In his dissertation, Reggiannini managed to raise the bar for how well a computer connected to a roomful of microphones can keep track of who among a small group of speakers is talking. Further refined and combined with speech recognition, such a system could lead to instantaneous transcriptions of meetings, courtroom proceedings, or debates among, say, several rude political candidates who are prone to interrupt. It could help the deaf follow conversations in real-time. (more…)

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