Karen Graham

Radiocarbon dating is an indispensable tool for archaeologists. It is used to reveal the age of organic materials from ancient bones to wooden artifacts. A Canadian database, the world's largest, wants to make radiocarbon data available globally.

There has never been an American president as hostile toward federal support of the sciences than Donald Trump. In the six months since he took office, he has succeeded in erasing anything to do with science and research from the federal government.

A new Earth-observing satellite is ready for launch later this year that will give scientists data on air quality, ozone, and climate change. The satellite is an integral part of the Copernicus global monitoring program.

Natural Cycles is the only app that has been certified by the European Union and is the only app that can be called "contraception" in Europe. It is available in the Apple App Store and the Google Play store to users everywhere.

San Antonio - A comprehensive review of the impacts of shale oil and gas development in Texas has been released. The report, by The Academy of Medicine, Engineering and Science of Texas (TAMEST), looks at the benefits and consequences of shale development.

Tokyo - An underwater robot captured images inside reactor 3 at the Fukushima No. 1 power plant on Friday that appears to be melted fuel debris. On Saturday, a third exploration hopes to reach the basement of the reactor pedestal.

Oil prices were looking up at the start of 2017, with crude hitting a high of $58 a barrel in January after dropping to $27 in 2016. But oil prices have started to flounder again, and the big oil companies are preparing to do some more belt-tightening.

Richmond - I am a devoted Kroger shopper, and as proof of my loyalty, my Kroger customer card dates back to well before the year 2000. But in December last year, I received some Kroger coupons in the mail that changed how I look at Kroger and digital technology.

The U.S. can now ship milled rice to China, for the first time ever, signaling a win for American farmers who have long fought to see a phytosanitary protocol finalized. The agreement will give the U.S. access to the world's biggest consumer of rice.

New Delhi - Indian Railways is the largest rail network in Asia and a huge consumer of diesel fuel. However, this is all about to change with the debut in New Delhi of it's Diesel Electric Multiple Unit (DEMU) with solar powered coaches.

Miami - South Miami, Florida has become the first city in the state to require new homes to include rooftop solar installations, thanks to a teenage girl who helped to write the measure.

LIDAR (light detection and ranging) has become the technology of choice for offshore wind projects, in turn, saving millions of dollars, thanks to innovative developers, manufacturers, and the Carbon Trust’s Offshore Wind Accelerator.

Frozen Arctic permafrost has acted like a tight-fitting stopper, keeping huge quantities of heat-trapping methane gas stored in layers of gas and oil buried deep beneath this barrier for millennia. Global warming has changed all that.

Believe it or not, but artificial intelligence is already driving a major shift in the global economy. Companies are using AI to improve efficiency in their data systems and some energy companies are using AI to reduce greenhouse gas emissions.

Fukushima - On Wednesday, the operator of the crippled Fukushima nuclear power plant began probing inside the contaminated water-filled reactor containment vessel in one of its units, using an underwater robot.

Mariposa - A massive wildfire in California's Central Valley has forced the evacuation of 4,000 people since the fire began on Sunday, prompting Governor Jerry Brown to declare a state of emergency for Mariposa County Tuesday night.

Toronto - In finding solutions to a number of city challenges, Toronto has formed a Civic Innovations Office. The office will work with City Divisions and agencies in identifying major challenges that can be solved using innovative partnerships with outside teams.

Asset management giant, Schroders is warning that the global economy is facing catastrophic risks unless immediate action is taken to mitigate the impacts of global warming.

Kamloops - While wildfires in British Columbia continue to burn out-of-control, the province is already looking at the complicated logistics of returning evacuees back to their homes.

Digital transformation is taking place across the world, impacting our lives in ways we can't even begin to count. This movement is also helping us to create "smart cities." The City of London has decided a Chief Digital Officer can help this transition.