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Regular Exercise Can Help Prevent Depression: U Of T Study

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Just 20 minutes of walking a day can help people improve their mental health.

That’s according to researcher George Mammen, at the University of Toronto (U of T).

He recently co-authored a study of more than 26 years’ worth of research reports.

He says the reports show that someone who is physically active is less likely to become depressed later in their life.

Most scientists agree that regular exercise is important for people’s physical health. It can help prevent diseases like stroke, heart disease and cancer.

And previous studies have shown that exercise can help to treat depression.

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Animals News

New Ripleys Aquarium In Toronto

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Toronto has a new landmark–an aquarium.

Nestled in beside the Rogers Centre at the base of the CN Tower, the new Ripleys Aquarium opened last week.

It’s home to more than 16,000 marine animals and 450 species.

There are lots of interactive displays to let kids see and experience the fish.

In the “dangerous lagoon,” visitors board a moving sidewalk which takes them on a slow ride through a 97-metre see-through tunnel filled with 17 sharks and thousands of marine animals. Sea turtles and saw fish swim overhead as visitors file past.

“Touch pools” feature horseshoe crabs, stingrays and bamboo sharks. The pools are shallow, so people can reach in and gently pet the animals.

An exhibit called Planet Jellies houses many different species of colourful jellyfish.

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Animals Science

Rare Five-Metre-Long Oarfish Discovered In California

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A marine biologist, who was snorkelling off the coast of California, has made a fantastic discovery.

Jasmine Santana found a dead oarfish so long that she needed 15 people to help her drag it out of the ocean.

Santana works for the Catalina Island Marine Institute. She was snorkling when she saw something shimmering.

It was the body of an oarfish. But it wasn’t just any oarfish–this one was more than five metres (18 feet) long.

Oarfish are plankton-eaters. They are rarely seen by humans, because they live deep in the ocean–up to 1,000 metres down.

They are long, like a “sea serpent.” In fact, oarfish may have been the mythical sea serpents of legend.

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Animals News Science

Pipeline Worker Finds Massive Hydrosaur Skeleton

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A massive dinosaur fossil has been unearthed in Alberta.

But it wasn’t an expedition of paleontologists who found it.

It was a pipeline worker.

A man was using a backhoe to move some earth for a pipeline that was being installed near Spirit River, Alberta. The worker hit something he thought was a rock.

He laid the piece of “rock” to one side, and kept digging, according to CBC News.

But it wasn’t rock at all. It was a huge fossilized skeleton—a tail, to be precise.

It was about two metres long.

The worker stopped digging and called in some experts.

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News Science

Students Win Prize For Making ‘Power Flour’ from Insects

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A team of business students from McGill University in Montreal have won $1-million for developing a nutritious, low-cost food made from insects.

Their new “power flour” will help feed poor people around the world.

Every year, the Hult Prize Foundation holds a contest for college and university students. They challenge the students to find ways to help solve social or environmental problems by developing new products or new businesses.

The prize was awarded on September 23 in New York City by former U.S. president Bill Clinton. Clinton chose the theme of world hunger for this year’s contest.

Ahmad Ashkar, the founder of the Hult Prize, said almost a billion people go hungry every day.

The winning team, which calls itself Aspire Food Group, developed a plan for adding dried and ground-up insects to flour to make it more nutritious.

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Science

Chinese Space Mission Will Last 15 Days

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A Chinese space capsule, carrying three astronauts, blasted off on Tuesday. It is on a 15-day mission.

The Shenzhou 10 capsule will dock with a space lab called Tiangong 1.

While on the Tiangong 1, the Chinese crew plans to deliver a series of educational talks to children.

China’s education initiative is designed to spark kids’ interest in space exploration.

The astronauts will also conduct dozens of experiments while they are in space.

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Environment Science

World’s Largest Volcano Discovered

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What is the largest volcano on Earth? You may be surprised at the answer.

That’s because the world’s largest volcano has just been discovered–and it’s underwater.

The volcano Mauna Loa, in Hawaii, used to be thought of as the largest volcano in the world.

But scientists have discovered one that’s bigger. Much, much bigger.

Tamu Massif is a massive volcano about the size of the British Isles–or more than three times the size of New Brunswick.

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Environment News

Human Activity Responsible For Global Warming: UN Report

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A group of scientists associated with the United Nations has just issued a report on “climate change.”

The Intergovernmental Panel on Climate Change has confirmed that human habits and activity is responsible for global warming and for higher sea levels.

If this continues, according to the report, there will be more dramatic changes in plant and animal life.

Some critics believe that the current situation is more likely due to short-term factors or weather cycles. They believe that the climate situation will change on its own eventually.

But the UN report says the reality is clear and the facts are there.

Luckily, because humans cause the problem, humans can help solve the problem.

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News Science Technology

“Lots Of Room For Zero-G Fun” On New Commercial Spacecraft

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More than 500 people—including American actor Ashton Kutcher—will become “astronauts” next year.

They have each paid $200,000 for a two-hour flight on SpaceShipTwo.

The aircraft will take them very high and very fast—in fact, they will break the sound barrier.

A British company called Virgin Galactic, which is owned by a well-known and famously daring billionaire named Sir Richard Branson, tested its new aircraft last week.

During the test, the spacecraft flew 69,000 feet high over the Mojave Desert, in the U.S.

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News Science

Want To Be An Astronaut? A New Post Has Just Opened Up

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Canadian astronaut Commander Chris Hadfield will soon be simply, “Mr. Hadfield.”

That’s because he has announced that he is resigning.

In this case, “resigning” means stopping his job as an astronaut.

Hadfield has been an astronaut for 35 years.

Recently, he gained wide popularity after sending photos and videos to Earth from the International Space Station.

Many people around the world enjoyed his tweets and Facebook posts from space.

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