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Wireless earbuds don’t have to be such a waste

Our planet is changing. So is our journalism. Keep up with the latest news on our Climate and Environment page. Sign up here to get this newsletter in your inbox every Thursday. This week: Wireless earbuds don’t have to be such a waste Daylighted…

Calling all budding marine scientists: Dal’s Aquatron research pool to hold open house

Before Transformers, there was the Aquatron — Dalhousie University’s dynamic and evolving superhero of a marine research centre. If it swims, floats or sinks, it may have been tested inside the Aquatron’s laboratories and tanks since it opened 50 years ago. The golden anniversary…

Solar storm brings northern lights to southern Canada

A series of powerful solar storms made the northern lights unusually visible far south Friday, and could dazzle again on Saturday night in Canada. Scientists expected the geomagnetic storm would lead to colourful auroras overnight not only in Canada, but the northern United States and parts of Europe too. …

Bird flu vaccine candidates already exist. But if H5N1 sparks a pandemic, making enough doses won’t be easy

This story is part of CBC Health’s Second Opinion, a weekly analysis of health and medical science news emailed to subscribers on Saturday mornings. If you haven’t subscribed yet, you can do that by clicking here. While there’s no sign a dangerous…

Technology

How do pcb circuit board handle exposure to UV radiation?

pcb circuit board handle exposure to UV radiation PCB light sensitivity is a critical factor that requires attention and careful consideration in the design and fabrication processes. In particular, UV radiation plays an important role in defining the precise circuit…

Scientists watching wastewater for signs of H5N1 as U.S. bird flu outbreak in dairy cattle grows

Scientists in the U.S. and Canada are watching wastewater for early signs of H5N1 as an outbreak of bird flu among American dairy cattle keeps growing. With cases confirmed in dozens of herds across nine states — and roughly 300…

Raw milk may be riskier amid avian flu outbreak in U.S. Stick to pasteurized dairy, experts warn

An outbreak of avian flu in U.S. dairy cattle has federal officials in Canada and the U.S. testing milk sold in stores to ensure pasteurization and other food safety measures are working.  Cows sickened with H5N1 in the U.S. produced…

Drones and AI are rewriting the rulebook on naval warfare — with uncertain consequences

They have an inconspicuous designation but the Ukrainian intelligence officers who belong to Group 13 have developed a formidable, far-reaching reputation. Named after their leader within Ukraine’s defence intelligence agency — a man who goes by the nom de guerre Call Sign…

Drought signs raise fears of another fish die-off in B.C. rivers

Images of steelhead and trout flicker over long sheets of paper, brought to life in blue and green crayon rubbings by the thousands.  It’s called Project 84,000 and is intended to depict the number of fish that died in the drought-stricken…

Over 50 SNOLAB employees in Sudbury on strike after turning down latest offer

Picket lines are up outside a world-renowned physics research lab located deep inside a Sudbury, Ont., mine as 52 workers at SNOLAB voted against a tentative contract Tuesday night.  United Steelworkers Local 2020-59 represents dozens of workers, from janitorial staff to physicists, at the dark matter…