Match matters: The right combination of parents can turn a gene off indefinitely

Evidence suggests that what happens in one generation—diet, toxin exposure, trauma, fear—can have lasting effects on future generations. Scientists believe these effects result from epigenetic changes that occur in response to the environment and turn genes on or off without altering the genome or DNA sequence.

Interactive police line-ups improve eyewitness accuracy: study

Eyewitnesses can identify perpetrators more accurately when they are able to manipulate 3D images of suspects, according to a new study.

With 73% vaccinated, Chile relaxes COVID restrictions

Chile, with over 73 percent of its population fully vaccinated against the coronavirus, announced Thursday it would relax pandemic restrictions but keep its borders closed.

CoronaVac jab less effective against Gamma variant: study

The Chinese CoronaVac jab, a key tool in Brazil's fight against COVID-19, is less effective against the Gamma variant first detected in the virus-ravaged South American country, a study said Friday.

Buddhist digital amulets mark Thai entry into crypto art craze

Karmic fortune has arrived to the digital art market, with a kaleidoscopic splash of colours and the face of a revered Thai monk offering portable Buddhist good luck charms to tech-savvy buyers.

Virgin Galactic, Blue Origin face off in space tourism market

The era of space tourism is set to soar, with highly symbolic flights by rivals Virgin Galactic and Blue Origin scheduled just days apart.

SKorea to raise COVID-19 restrictions to highest level in capital

South Korea will raise coronavirus curbs to their highest level in the Seoul metropolitan area, the country's prime minister said Friday, warning a record spike in new cases had reached "maximum crisis level".

Sydney tightens lockdown as Delta outbreak intensifies

A lockdown in Australia's largest city was tightened Friday, as new COVID-19 infections hit a record and authorities warned an outbreak of the Delta variant was spinning out of control.

Hong Kong's urban farms sprout gardens in the sky

With their heads in the clouds and their hands in the soil, a group of office workers are busy harvesting the fruits of their labour on the roof of a Hong Kong skyscraper.

Vietnam's biggest city enters two-week coronavirus lockdown

Vietnam's economic hub Ho Chi Minh City began a two-week lockdown Friday in the hope to contain the country's worst COVID-19 virus outbreak.

'No jabs, no job': Fiji to make vaccine compulsory

Fiji has announced plans to make the coronavirus vaccine compulsory for all workers as it battles a runaway outbreak of the Delta variant, with the prime minister issuing a blunt message: "no jabs, no job".

Space, the final frontier for billionaire Richard Branson

As famous for his thrill-seeking lifestyle and publicity stunts as for his vast business empire, Richard Branson has set his sights on the stars as he prepares for liftoff on his first space flight.

Final frontier: Billionaires Branson and Bezos bound for space

Two vessels, two companies, with one goal: blasting their billionaire founders into space.

FAA: New tool limits disruptions caused by space operations

Federal regulators said Thursday they now can better track rocket launches and space vehicles returning to Earth, which could cut the amount of time that airplanes must be routed around space operations.

Pfizer to seek OK for 3rd vaccine dose; shots still protect

Pfizer is about to seek U.S. authorization for a third dose of its COVID-19 vaccine, saying Thursday that another shot within 12 months could dramatically boost immunity and maybe help ward off the latest worrisome coronavirus mutant.

Longest known continuous record of the Paleozoic discovered in Yukon wilderness

Hundreds of millions of years ago, in the middle of what would eventually become Canada's Yukon Territory, an ocean swirled with armored trilobites, clam-like brachiopods and soft, squishy creatures akin to slugs and squid.

Ecologists compare accuracy of lidar technologies for monitoring forest vegetation

As light detection and ranging (lidar) technology evolves, forest ecology and ecological restoration researchers have been using these tools in a wide range of applications.

Obscuring the truth can promote cooperation

Remember Napster? The peer-to-peer file sharing company, popular in the late 1990s and early 2000s, depended on users sharing their music files. To promote cooperation, such software "could mislead its users," says Bryce Morsky, a postdoc in Penn's School of Arts & Sciences.

Creating more resilient supply chains through nature-inspired design

A new paper in Nature lays out the way natural ecosystems parallel U.S. supply chains and how American cities can use these tools to strengthen their supply chains.

The Lancet: CoronaVac COVID-19 vaccine is safe and protects against disease, interim analysis

Interim data from a phase 3 trial of a COVID-19 vaccine developed in China (CoronaVac) suggests that two doses offer 83.5% protection against symptomatic COVID-19.

Nicotine by-product can predict recurrence of cancer

A by-product of nicotine, found in the urine of smokers, could be used to identify when bladder cancer has returned, new research has found.

Passing the ball: Shifting responsibility for care coordination from patient to provider

A new study from U.S. Department of Veterans Affairs, Regenstrief Institute, IUPUI and Icahn School of Medicine at Mount Sinai researchers reports that primary care physicians recognize the need for better coordination and welcome health information exchange (HIE) event notifications as a means of improving the flow of information to enable provision of better patient care.

Red Dead Redemption 2 teaches players about wildlife

Players of the popular game Red Dead Redemption 2 learn how to identify real American wildlife, new research shows.