Emily Chung

Science and Technology Writer

Emily Chung covers science and technology for CBC News. She has previously worked as a digital journalist for CBC Ottawa and as an occasional producer at CBC's Quirks & Quarks. She has a PhD in chemistry.

Latest from Emily Chung

Tim Hortons changes Roll Up the Rim contest to go greener

Tim Hortons is making changes to its Roll Up the Rim contest this year to reduce waste and encourage customers to bring their own mugs.

Dinosaur found with signs of tumour-causing disease that afflicts humans today

Fossils from a hapless hadrosaur from Alberta show telltale signs of a disease that causes tumours in human children, showing the affliction has been around since the Age of Dinosaurs, a new study suggests.

Canada could be a huge climate change winner when it comes to farmland

Canada will add a huge share of the land that becomes climatically suitable for growing crops as the world's temperatures rise, a new study says. But the study also finds that growing crops on that land could have many negative environmental impacts — including even more greenhouse gas emissions.

New 'reaper of death' tyrannosaur is the oldest found in Canada

A new species of tyrannosaur — the oldest ever found in Canada — has been discovered in Alberta.

Hotter heat waves are wiping out bumblebees, study finds

Many bumblebee species have vanished from places where they were once common. Now a new Canadian-led study finds that hotter temperatures during heat waves are to blame, and uses it to predict which bumblebees are most likely to face local extinction as the climate warms.

Albatrosses used as flying spies to detect illegal fishing boats

Sea birds with radar detectors attached to their backs can detect illegal fishing boats in real-time, potentially helping authorities identify and catch such operations, which threaten both fish and birds, a new study shows.

Goodbye, gas furnaces? Why electrification is the future of home heating

The burning of fossil fuels to heat our homes and other buildings is a major source of greenhouse gas emissions in this cold country. Green builders say we need to decarbonize heating by going electric if Canada is going to meet its climate targets. Here’s a closer look at some of the options.

What we know so far about Boeing plane that crashed in Iran

On Wednesday morning, a Ukraine International Airlines flight carrying 167 passengers and nine crew en route to Kyiv crashed minutes after takeoff from Tehran’s main airport. Here’s what we know about the plane.

What really happens to plastic drink bottles you toss in your recycling bin

The recycling symbol may give the comforting impression that your plastic pop or water bottle will be recycled into other plastic bottles again and again. Unfortunately, there’s a good chance it won’t become even one new bottle. Here’s what really happens — and what's needed to boost recycling.

These tiny aquatic 'bachelors' haven't changed their pickup strategy in 100 million years

Each night, huge swarms of male comma shrimp swim up from the depths of the ocean, looking for love. It’s a tried-and-true romantic strategy — one the males have been using for at least 100 million years, recently-discovered fossils show.

A giftless Christmas? How some families are cutting waste one present at a time

Holiday celebrations generate a lot of trash. In their quest to reduce waste, some Canadian families are cutting back on more than just wrapping paper and disposable dishware — they’re also cutting back on presents.
CBC Explains

Phone companies must block scam calls starting today. Here's what you can expect

Starting today, Rogers, Bell and other telecommunications providers in Canada will have to implement systems that help block scammers from calling you. But it doesn’t cover all fraudulent calls. Here’s what you need to know.

Women don't call their research 'novel' or 'excellent' as often as men do

Is that scientific research "excellent," "novel," "promising" or "unique"? Men are more likely than women to describe their research with those words, according to a new study.

Ancient 'coal dragon' is now the oldest parareptile ever found

A unique fossil that's “literally a black piece of coal” found in the dump of an 19th-century coal mine is revealing new insights about life before the rise of dinosaurs.

How engineers of the Montreal Massacre generation are changing the world

On Dec. 6, 1989, a gunman killed 14 young women — most studying to be engineers — at Montreal's École Polytechnique. Thirty years later, other women of that generation have made their mark on engineering and the world, from designing aircraft to earthquake-proofing buildings.