SciNews, Sunday, June 26, 2016

Contagious cancers; childhood weight linked to adult diseases; scrub for 30 seconds; ubiquitous concrete; why water is essential to life; 3-day fuel-less flight; ultra-thin solar cells; Jupiter’s storms run deep – just a few of the themes in today’s eclectic collection of SciNews.  Share these stories with your students and get them excited about science.

SciNews is published twice weekly. Stay tuned for more.

7308778_s from 123rfBiology

Scientists discover 1st contagious cancer that can spread between species. CBC

Contagious cancers are a scary idea to begin with, but scientists have made some startling new discoveries about them – they are likely more common in nature than originally thought, and some can even spread between species.  Read more…

Adult diseases may be linked to childhood weight. Science News for Students

Being fat isn’t fun for anyone, especially children and teens. It’s not healthy either. Obesity that develops in childhood can set the stage for killer adult diseases, two new studies from Denmark show.

Past studies had shown that being overweight or obese boosts an adult’s risk of developing health problems affecting the heart and brain. But no one had shown that the same was true when that weight gain occurred in childhood. Now two new studies appear to do just that. Both were presented this month at the European Obesity Summit in Gothenberg, Sweden.  Read more…

For cleanest hands, squirt and count to 30. Science News

You’ve heard the advice: For clean hands, scrub with soap and water for as long as it takes to sing “Happy Birthday” twice. But is hand sanitizer just squirt and go? Finally, there’s a scientific answer: To kill bacteria, rub for at least 15 to 30 seconds. After 45 seconds, you’re not doing much more good.  Read more…


13698187_s from 123rf

Concrete science. Science News for Students

Concrete is the most common artificial material on the planet. It’s used to make roads, bridges and dams. It anchors fence posts and makes durable outdoor stairs. Chances are, concrete forms the foundation of the building you live in. Humans use billions of tons of it each year. That’s enough for each man, woman and child on Earth to have their own personal concrete cube measuring 1.5 meters (nearly 5 feet) across. So it’s little wonder that this building material is the focus of much research, even among teens.  Read more…

Scientists glimpse why life can’t happen without water. Science Daily

Scientists are getting closer to directly observing how and why water is essential to life as we know it.  Read more…


18685938_s from 123rf

Solar Impulse 2 lands in Spain after Atlantic Ocean flight.  CBC

An airplane powered solely by the sun landed safely in Seville in Spain early on Thursday after an almost three-day flight across the Atlantic from New York in one of the longest legs of the first ever fuel-less flight around the world.  Read more…

Ultra-thin solar cells can easily bend around a pencil. Science Daily

New flexible photovoltaics could power wearable electronics.  Read more…

Earth and Space Science12693495_s from 123rf

Jupiter’s stormy weather runs deep. Science News for Students

Jupiter, the largest planet in our solar system, is not a calm giant. It’s covered in swirling clouds that form colourful stripes and spots. Those cloud features include the famous Great Red Spot. It’s a storm wider than Earth —one that has been raging for several hundred years. Now scientists have discovered that Jupiter’s turbulence is not just skin deep. The storms and spots that we can see start far below the clouds.  Read more…

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