Study provides a unified description of non-radiative voltage losses in organic solar cells

In recent years, researchers have been trying to develop increasingly efficient and advanced solar technologies. One way of increasing the efficiency of solar cells is to reduce energy losses (i.e., voltage losses) caused by non-radiative recombination processes.

People living with obesity struggling with their weight in silence

People living with obesity in the UK take an average of nine years to speak to a doctor about their weight struggles—according to new research involving the University of East Anglia.

Study proves cost-effective polymer sealant could significantly reduce irrigation water loss worldwide

Irrigation is critically important for feeding the world, but it's not very efficient. About 70% of global freshwater usage goes to irrigation. That percentage is even higher in the western U.S.

Researchers discover why gold is concentrated alongside arsenic

Why are gold deposits found at all? Gold is famously unreactive, and there seems to be little reason why gold should be concentrated, rather than uniformly scattered throughout the Earth's crust. Now, an international group of geochemists have discovered why gold is concentrated alongside arsenic, explaining the formation of most gold deposits. This may also explain why many gold miners and others have been at risk from arsenic poisoning. This work is presented at the Goldschmidt conference, after recent publication.

More filling? Tastes great? How flies, and maybe people, choose their food

Flies have discriminating taste. Like a gourmet perusing a menu, they spend much of their time seeking sweet nutritious calories and avoiding bitter, potentially toxic food. But what happens in their brains when they make these food choices?

Breakthrough in tissue engineering as 'shape memory' supports tissue growth

Research published today has demonstrated the viability of 3D-printed tissue scaffolds that harmlessly degrade while promoting tissue regeneration following implantation.

Chinese city on Myanmar border locked down again over virus fears

A Chinese city near the border with Myanmar has imposed a lockdown and started mass testing after three coronavirus cases were reported on Monday, with officials rushing to curb another outbreak.

Australians trapped in vaccine 'Hunger Games' says top official

Getting vaccinated in Australia is like "The Hunger Games" a top health official admitted Monday, as the country battles scarce supplies during a growing COVID-19 outbreak.

The American South: A weak link in the Covid vaccination campaign

With a sizable Black minority traditionally mistrustful of vaccines and with many conservative rural whites convinced that the vaccine is more dangerous than COVID-19 itself, Southern US states like Alabama have some of the country's lowest vaccination rates, leaving the disadvantaged region vulnerable to dangerous new virus variants.

'Learn to live with' the virus Johnson tells Britons

British Prime Minister Boris Johnson will on Monday unveil a plan to lift coronavirus restrictions from July 19, while urging the population to "learn to live with" the virus.

Indonesia seeks more oxygen for COVID-19 sick amid shortage

Parts of Indonesia lack oxygen supplies as the number of critically ill COVID-19 patients who need it increases, the nation's pandemic response leader said Monday, after dozens of sick people died at a public hospital that ran out of its central supply.

Amid drought, Colorado rafters flock to oases while they can

Across Colorado, parched rivers are at some of their lowest levels on record. But on one still spared by the drought, boisterous children and guides bob along as water splashes into their blue inflatable rafts.

Japan searches for dozens missing in resort town mudslide

Rescue workers slogged through mud and debris Monday looking for dozens feared missing after a giant landslide ripped through a Japanese seaside resort town, killing at least three people.

Southwest, American delays hint at hard summer for travelers

This summer is already shaping up to be a difficult one for air travelers.

Cuba evacuates 180,000 as Tropical Storm Elsa approaches

Cuba evacuated 180,000 people amid fears Sunday that Tropical Storm Elsa could cause heavy flooding after battering several Caribbean islands, killing at least three people.

Biden: US 'coming back together,' but COVID not yet finished

Calling a vaccination "the most patriotic thing you can do," President Joe Biden on Sunday mixed the nation's birthday party with a celebration of freedom from the worst of the pandemic. He tempered the strides against COVID-19 with a warning that the fight against the virus wasn't over.

New chemistry enables using existing technology to print stretchable, bendable circuits on artificial skin

Chemical engineer Zhenan Bao and her team of researchers at Stanford have spent nearly two decades trying to develop skin-like integrated circuits that can be stretched, folded, bent and twisted—working all the while—and then snap back without fail, every time. Such circuits presage a day of wearable and implantable products, but one hurdle has always stood in the way.

When can masks be ditched? UK leader to revamp virus rules

Prime Minister Boris Johnson will provide an update Monday on plans to ease COVID-19 restrictions in England, amid speculation that he will scrap rules that require people to wear masks in many public settings.

Scale, details of massive Kaseya ransomware attack emerge

Cybersecurity teams worked feverishly Sunday to stem the impact of the single biggest global ransomware attack on record, with some details emerging about how the Russia-linked gang responsible breached the company whose software was the conduit.

New Zealand records warmest-ever June as ski fields struggle

New Zealand has recorded its warmest June since recordkeeping began, as ski fields struggle to open and experts predict shorter southern winters in the future.

Experts: Erosion caused Mexico sinkhole, not water pumping

A huge sinkhole that appeared in a farm in central Mexico in late May was caused by erosion of limestone bedrock and not excessive water pumping, a study by experts said Sunday

Could genetics hold the key to preventing SIDS?

A state-of-the-art genetic biobank could hold the key to preventing Sudden Infant Death Syndrome (SIDS), potentially saving the lives of hundreds of babies who die from the devastating condition each year.

Lower exposure to UVB light may increase colorectal cancer risk

Inadequate exposure to UVB light from the sun may be associated with an increased risk of colorectal cancer, particularly in older age groups, according to a study using data on 186 countries, published in the open access journal BMC Public Health.

New online calculator can help predict death and end-of-life care needs for older adults

Although most Canadians die from predictable causes and have health needs that can be met at home, only 20% of people receive a physician home visit in their last year of life.