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Evolution

Modern understanding of evolution began in 1859 with publication of Charles Darwin's On the Origin of Species by Means of Natural Selection.

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Uranium

Uranium oxide was first identified in 1789 by M.H. Klaproth in the MINERAL pitchblende, but its distinctive property of radioactivity was discovered much later (1896) by Henri Becquerel.

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Agriculture and Food

Canada's agriculture and food industries have changed greatly in the years since the Second World War. Growth in Canada’s economy, and associated social changes, have altered the way food is produced, processed, handled, sold and consumed.

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SkyTrain

The SkyTrain is the rapid transit rail system serving Metro Vancouver, British Columbia. It uses mostly Advanced Light Rapid Transit (ALRT) technology, an automated rail system that operates mainly on a raised guideway, although some sections run underground or at street level. Regular service began 3 January 1986. The SkyTrain’s opening coincided with Expo 86, the world’s fair hosted by Vancouver as part of its 100th anniversary celebrations. The system is run by TransLink, the provincial transit agency for the South Coast of British Columbia. It was the world’s first driverless urban rail system. Now, it is one of the longest fully automated rapid transit systems in the world. The SkyTrain has three lines connecting 53 stations in seven municipalities. In 2018, it had more than 495,000 boardings per weekday, on average.

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Viagra Hits Canada

Bill Smith, a 55-year-old heavy-machine operator from Fredericton, knows these are his salad days revisited. As one of 500 Canadian men participating in the clinical trials of the impotency drug Viagra, he has been getting samples for two years. "They're free, so why not use them?" he says.

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Osteoporosis Breakthrough

In the spring of 1997, William Boyle, a microbiologist at Amgen Inc., a drug company based near Los Angeles, placed a telephone call to Dr. Josef Penninger, an immunologist at the firm's Toronto offshoot, the Amgen Research Institute.

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Gerontology

Gerontology is the scientific study of AGING and its consequences including psychological, biological, and social changes confronting individuals, the social and economic issues created by growing numbers of older people in a population, and the opportunities older age brings with it.

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HIV Striking Straight Young Women

KAITLIN MORRISON LOST her virginity at 13 and, she says, "it was downhill from there." At 14, she left her parents' home in Port McNeill, B.C., on the northeast coast of Vancouver Island. She was a "party girl" and a "real rebel," she says, heavy into drugs (never needles, though).

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Artificial Heart Developed

Before the end of this year, Ottawa heart surgeon Dr. Wilbert Keon hopes to open the chest of a patient whose heart has reached a state of "terminal failure" and install a shiny plastic-encased object a little larger than a man’s fist.

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Blood Substitute Tested

According to medical lore, the ancient Incas were the first to attempt blood transfusions. And over the centuries doctors around the world have pumped everything from beer to urine into hemorrhaging patients.

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Pediatrics

Pediatrics is that branch of MEDICINE concerned with the child, its development, care and diseases.

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Disability

Disability is defined by the World Health Organization (WHO) as the temporary, prolonged or permanent reduction or absence of the ability to perform certain commonplace activities or roles, sometimes referred to as activities of daily living.

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Canada and the Digital Economy

The digital economy is the economic activity conducted through digital technologies such as the Internet. It is also called the Internet economy, the new economy or the web economy. Many scholars see the digital economy as the fourth industrial revolution. As of 2013, it consumed approximately 10 per cent of the world’s electricity. Many of the world’s biggest companies operate in the digital economy. A growing number of Canadians depend on it for their livelihood. In 2017, nearly 5 per cent of all jobs in Canada were in the digital economy. The gross domestic product (GDP) connected to it represented 5.5 per cent of Canada’s total economy — a bigger percentage than mining or oil and gas extraction. However, the often-hidden infrastructure of the digital economy brings new threats to the environment. The rise of cryptocurrencies could also dramatically change how people buy and sell things.