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Jeffrey Powell

Jeffrey R. Powell did his undergraduate work at the University of Notre Dame where he started working on the mosquito Aedes aegypti under the direction of George B. Craig. In 1969 he went to graduate school at The Rockefeller University where he began empirical population genetics studies of Drosophila under the mentorship of Theodosius Dobzhansky. He obtained his Ph. D. in 1972 from the University of California, Davis, where he moved with Dobzhansky in 1971. He began as an Assistant Professor at Yale in 1972 and has been on the faculty since. He has spent sabbatical leaves at the University of California (Riverside), University of Rome, California Institute of Technology, and Cambridge University. He continues to work on Drosophila and mosquitoes, while initiating in 1991 a research program on genetics of Galápagos tortoises that has taken on a life of its own. His major interests are basic issues of evolutionary genetics and molecular evolution largely using Drosophila as a model organism and application of genetic technologies and concepts to mosquitoes to aid in control of diseases they transmit. He has mentored 23 Ph. D. students to completion, 24 postdoctorals, and >40 undergraduates, as well as hosted six sabbatical visitors.

COVID Virus Crisis

To fight Zika, let's genetically modify mosquitoes – the old-fashioned way

Apr 29, 2016 10:23 am UTC| Insights & Views Health

The near panic caused by the rapid spread of the Zika virus has brought new urgency to the question of how best to control mosquitoes that transmit human diseases. Aedes aegypti mosquitoes bite people across the globe,...

Economy

European Stocks Hold Steady as Consumer Shares Rise, AI Tech Selloff Weighs on Markets

European shares were little changed on Tuesday as gains in consumer-focused sectors offset a broad selloff in artificial intelligence-linked technology stocks, while investors closely monitored the NATO summit in Turkey...

Nasdaq Futures Slide as AI Chip Stocks Sink Despite Samsung Earnings; SpaceX Debuts in Nasdaq-100

U.S. stock futures were mixed on Tuesday as technology shares came under pressure, with semiconductor stocks leading declines amid growing concerns over whether the artificial intelligence-driven rally can maintain its...

South Korea’s KOSPI Plunges as Samsung, AI Chip Stocks Trigger Market Sell-Off

South Koreas benchmark KOSPI index tumbled as much as 8% on Tuesday, prompting the Korea Exchange to activate a market-wide sell-side circuit breaker as investors rushed to sell major technology stocks despite Samsung...

Cuba Power Grid Collapse Triggers Nationwide Blackout Amid Deepening Energy Crisis

Cuba began gradually restoring electricity on Monday after the countrys national power grid suffered another major collapse, leaving millions without electricity and worsening an already severe energy crisis driven by fuel...

Asia Stocks Fall as Samsung Earnings Fail to Ease AI Valuation Concerns

Asian stock markets declined on Tuesday as investors questioned whether future earnings can justify lofty artificial intelligence (AI) valuations, triggering a broad selloff in semiconductor stocks despite Samsung...

Politics

Taiwan Says Defense Preparations Are Essential Amid Rising China Military Threat

Taiwans efforts to strengthen its defenses against a potential Chinese attack are necessary for national security and should not be viewed as a provocation, a senior Taiwanese security official said Tuesday, urging...

Italy Rejects Trump Social Media Feud Ahead of NATO Summit in Turkey

Italy said it will no longer respond to provocative social media comments from U.S. President Donald Trump, choosing instead to avoid public disputes as NATO leaders gather for a summit in Ankara, Turkey. Italian Foreign...

Damascus Blasts Strike Near Hotel Ahead of Macron Syria Visit

Explosive devices detonated near a hotel in Damascus on Tuesday where French President Emmanuel Macron was scheduled to stay, prompting heightened security measures in the Syrian capital, according to a security source....

Trump May Reopen F-35 Program Access for Turkey Ahead of NATO Summit

U.S. President Donald Trump is expected to tell Turkish President Recep Tayyip Erdogan that his administration is prepared to allow Turkey to rejoin the F-35 stealth fighter program, according to a New York Times report...

FIFA Defends Balogun Ban Suspension After Trump Praise Sparks World Cup Controversy

FIFA President Gianni Infantino defended the organizations disciplinary process after U.S. President Donald Trump praised the decision to suspend U.S. striker Folarin Baloguns World Cup red-card ban, a move that has...

Science

Blue Origin New Glenn Explosion Could Delay Launch Operations Until 2028

Blue Origin is facing a significant setback after a dramatic explosion involving its New Glenn rocket severely damaged a launch pad at Cape Canaveral, Florida. According to NASA Administrator Jared Isaacman, repairs to the...

Blue Origin New Glenn Rocket Explodes During Launch Pad Test, Delaying Space Ambitions

Blue Origin suffered a major setback after its uncrewed New Glenn rocket exploded during a launch pad test in Florida on Thursday, raising new challenges for Jeff Bezos space company as it competes with Elon Musks SpaceX...

SpaceX Delays Starship V3 Launch Ahead of Potential Record IPO

SpaceX on Thursday postponed the highly anticipated launch of its 12th Starship rocket test from Texas after technical issues interrupted the final countdown. The company now plans to attempt the Starship V3 launch again...

Trump Administration Releases New UFO Files and Apollo Mission Records

The U.S. Defense Department has released dozens of previously classified UFO-related files following an order from President Donald Trump, sparking renewed debate over unidentified anomalous phenomena (UAP) and government...

China vs. NASA: The New Moon Race and What's at Stake by 2030

The space race is back and this time, its a direct competition between the United States and China for dominance on the lunar surface. NASAs Artemis II mission recently made history when four astronauts flew farther into...

Technology

SpaceX Stock Draws Bullish Wall Street Coverage Ahead of Nasdaq-100 Inclusion

Several major Wall Street banks have launched coverage of Space Exploration Technologies (SpaceX) ahead of its inclusion in the Nasdaq-100 Index, assigning price targets between $190 and $300 as analysts take different...

China 618 Smartphone Sales Drop 13% as Higher Prices Hurt Demand, Huawei Gains Market Share

Chinas smartphone sales fell 13% year-over-year during the 2026 618 shopping festival as rising handset prices and weaker discounts discouraged buyers, according to Counterpoint Research. The annual month-long shopping...

Meta Says States Seek $1.4 Trillion in Penalties Over Teen Social Media Addiction Lawsuit

Meta Platforms has revealed that four U.S. states are seeking approximately $1.4 trillion in potential penalties in a lawsuit accusing the company of designing Facebook and Instagram to addict young users while misleading...

Samsung Q2 Profit Hits Record on AI Memory Boom as Shares Tumble

Samsung Electronics (KS:005930) forecast record-breaking second-quarter earnings on Tuesday, driven by surging demand for artificial intelligence (AI) memory chips. Despite posting stronger-than-expected operating profit,...

LG Energy Solution Q2 Profit Plunges 77% Despite Revenue Growth on Weak EV Demand

LG Energy Solution (KS:373220) expects its second-quarter operating profit to plunge 77% from a year earlier as slowing global electric vehicle (EV) demand continues to pressure the battery industry, despite reporting...