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Michelle Spear

Michelle Spear

Professor of Anatomy, University of Bristol

The anatomy of a smile: how to spot a fake from the real thing

May 30, 2025 12:07 pm UTC| Insights & Views Health

Youve probably heard the claim that it takes more muscles to frown than to smile. Its usually framed as a feel-good reason to turn your frown upside down less effort, more joy. But anatomically, the numbers dont quite add...

The heart is symbol of love – things weren’t always like that

Feb 16, 2025 10:38 am UTC| Insights & Views Life

Valentines Day is all about the hearts: heart-shaped chocolates, cards, balloons and even pizza. But the heart hasnt always just been a symbol of romance. Across cultures and centuries, the heart has been revered as the...

Can aching joints really predict the weather? Exploring the science behind the stormy debate

Feb 03, 2025 11:00 am UTC| Insights & Views Health

For centuries, people have claimed that their aching joints can predict changes in the weather, often reporting increased discomfort before rain or cold fronts. Given the scale and duration, there is a sense of legitimacy...

Food and medicine that can change your skin colour – sometimes permanently

Jan 21, 2025 12:58 pm UTC| Insights & Views Life Health

When an 84-year-old man in Hong Kong went to hospital with an enlarged prostate, doctors were startled to see that his skin and even the whites of his eyes had turned silver-grey. A deeper investigation revealed silver...

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Economy

Asian Markets Slide as Middle East Conflict Sparks Oil Price Surge and Inflation Fears

Asian financial markets fell sharply on Wednesday as investors rushed to reduce exposure to previously crowded trades in gold and semiconductor stocks. The market downturn was driven by escalating concerns that a widening...

Dollar Hits Three-Month High as Middle East Conflict Drives Energy Prices and Market Volatility

The U.S. dollar surged to a three-month high during early Asian trading on Wednesday as escalating tensions in the Middle East pushed investors away from the euro and toward safe-haven assets. The growing conflict...

Australia’s Economy Accelerates in Q4 2025 as Household Spending and Government Investment Rise

Australias economy expanded at its fastest pace in three years during the fourth quarter of 2025, supported by steady private consumption and increased government investment in infrastructure and defense. According to data...

Trump Offers U.S. Insurance and Naval Escort for Tankers as Strait of Hormuz Crisis Disrupts Global Oil Trade

President Donald Trump announced Tuesday that the United States will provide political risk insurance and maritime guarantees for commercial shipping operating in the Gulf, while the U.S. Navy prepares to escort oil...

U.S. Stocks Fall as Middle East Conflict Fuels Inflation and Oil Price Concerns

U.S. stocks closed sharply lower on Tuesday as investors grew increasingly worried that the escalating Middle East conflict could persist and drive higher inflation through surging oil prices. Market volatility increased...

Politics

Michael Whatley Wins North Carolina GOP Senate Primary, Setting Up High-Stakes Battle With Roy Cooper

Michael Whatley, a close ally of former President Donald Trump, has won the Republican primary for North Carolinas open U.S. Senate seat, according to media projections. The victory positions Whatley for a closely watched...

U.S. Officials Review Tencent’s Stakes in Epic Games, Riot Games Over Security Concerns

The administration of U.S. President Donald Trump is reportedly evaluating whether Chinese technology giant Tencent Holdings Ltd (HK:0700) should be allowed to keep its ownership stakes in several major video game...

U.S. Begins Charter Evacuations as Iran Conflict Disrupts Middle East Air Travel

The United States has begun facilitating charter evacuation flights for American citizens stranded across the Middle East after the escalating U.S.-Israel military strikes on Iran severely disrupted global aviation and...

U.S. Preparing Possible Corruption Charges Against Venezuelan President Delcy Rodriguez

The Trump administration is reportedly preparing a potential criminal case against Venezuelan interim president Delcy Rodriguez as part of broader efforts to increase U.S. leverage over Venezuelas government, according to...

Trump Defends Extended U.S.-Israel Military Campaign Against Iran

U.S. President Donald Trump has defended the ongoing U.S. and Israeli military campaign against Iran, signaling that the conflict could last longer than initially expected. The operation, which began with coordinated...

Science

SpaceX Pivots Toward Moon City as Musk Reframes Long-Term Space Vision

SpaceX CEO Elon Musk has revealed a significant shift in the companys near-term space exploration strategy, announcing that SpaceX is now prioritizing the development of a self-growing city on the Moon rather than focusing...

SpaceX Prioritizes Moon Mission Before Mars as Starship Development Accelerates

Elon Musks SpaceX is shifting its near-term space exploration strategy, choosing to prioritize a return to the Moon before pursuing missions to Mars, according to a recent Wall Street Journal report citing sources familiar...

NASA and SpaceX Target Crew-11 Undocking From ISS Amid Medical Concern

NASA has confirmed that the agency, in coordination with SpaceX, is targeting no earlier than 5 p.m. Eastern Time (2200 GMT) on Wednesday, January 14, for the undocking of the SpaceX Crew-11 mission from the International...

Neuralink Plans High-Volume Brain Implant Production and Fully Automated Surgery by 2026

Elon Musks brain-computer interface company Neuralink is preparing for a major expansion, announcing plans to begin high-volume production of its brain implant devices and transition to a fully automated surgical procedure...

Jared Isaacman Confirmed as NASA Administrator, Becomes 15th Leader of U.S. Space Agency

The U.S. Senate has officially confirmed billionaire private astronaut Jared Isaacman as the new NASA administrator, making him the 15th leader in the agencys history. The confirmation, which took place on Wednesday, marks...

Technology

Defense Contractors Move to Drop Anthropic AI After Trump Administration Ban

Major U.S. defense contractors are expected to remove Anthropics AI tools from their supply chains following a directive from the Trump administration, even though legal experts say the ban could face serious challenges in...

OpenAI Explores New Code-Hosting Platform to Reduce Dependence on GitHub

OpenAI is reportedly developing a new code-hosting platform that could eventually compete with Microsofts GitHub, according to a recent report citing sources familiar with the initiative. The project is still in its early...

Facebook Outage Disrupts Thousands of Users Across the United States

Meta Platforms Facebook experienced a widespread outage on Tuesday that affected thousands of users across the United States, according to data from Downdetector.com, a website that tracks service disruptions for major...

Lockheed Martin Secures $1.9B U.S. Air Force Contract for C-130J Training and Maintenance Systems

Lockheed Martin (NYSE: LMT) has secured a $1.9 billion indefinite-delivery/indefinite-quantity (IDIQ) contract from the U.S. Department of Defense to support the C-130J Maintenance and Training System IV (JMATS IV)...

OpenAI and U.S. Defense Department Update Agreement to Clarify AI Usage Terms

OpenAI CEO Sam Altman announced that the company is working with the U.S. Department of Defense (DoD) to update their existing agreement, reinforcing clear boundaries around how OpenAIs technology, including ChatGPT, can...
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