Carla Rennie-nash

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Morning workouts are good for you

7 Reasons to Work Out in the Morning<p>Because who wants to blow off an ugly sweater party just to go to the gym?<p>With the holiday season in full swing, your after-work schedule is about to blow up. And let's be honest, every party invite you receive is just one more night you're not going to show up …

NASA Is Helping To Build Supersonic Passenger Planes

NASA scientists are working on the next-generation of supersonic jets, that hopefully will one day carry passengers.<p>Ever since Concorde was …

No More Bubble Wrap: A Clever Reusable Packing System Eliminates Waste

Imagine Amazon shipping in packaging that didn’t have to be tossed away.<p>Packing fragile items is usually all about excess–piles of packing peanuts or air-filled plastic packs, bubble wrap, and weird expandable foam cushions. Depending on local recycling rules, it might all end up in the trash when …

This Tree-Shaped Farm-On-A-Skyscraper Could Bring Acres Of Crops Into The City

Designed like a giant tree, the Urban Skyfarm is covered in leaf-like decks that provide space for real trees to grow.<p>So far, most existing vertical farms look like big greenhouses or plant factories–all of the action happens on the inside. Warehouses in Chicago, Kyoto, Singapore, and a handful of …

Researchers Now Able To 3D Print Working Blood Vessels

One of the biggest problems with printing human meat was the creation of blood vessels and ventricles. Making a solid mass of flesh was easy but adding a way to pump blood and other nutrients through the flesh was more difficult. Now researchers at the University of Sydney, Harvard, Stanford and …

EWG�s 2014 Guide to Sunscreens Includes Sun Safety Tips & Top Rated Sunscreens

The newly released Environmental Working Group‘s (EWG’s) 2014 guide to safer sunscreens has a new goal: to encourage consumers to take charge when it …

Will Offshore Wind Pick up the Speed?

Offshore wind facilities could offer a cost-effective and efficient means of drawing a highly abundant source of energy for residential and commercial use. Conventional wind facilities on land, while essential for the renewable energy sector, are troubled by the intermittency of wind strength. …

Renewable Energy

Why Don't We Put Solar Panels In The Sahara Desert As A Source Of Electricity?

<i>Answer by Mark Rogowsky, Entrepreneur, raconteur, @maxrogo, on Quora,</i><p><i>This is a great idea, but…</i> <b>We</b> don’t own the Sahara desert.<p>The Sahara is “owned” by Africans in at least 11 countries. Many of those countries are not exactly paragons of political stability (e.g. Sudan, Egypt, Libya, Sudan, …

CDC Estimates 10,000 Toddlers Across the U.S. are Being Medicated for ADHD

In news that’s almost too insane to believe, the Centers for Disease Control and Prevention (CDC) has announced that around 10,000 toddlers across …

How To Cure Garlic Breath

Thank you, science.<p>Counter to most vampire lore, there is no magic to the pungent odor of garlic. The stench is the result of four major sulfur-containing compounds, which, when ingested, move into the bloodstream and then out through the lungs and sweat glands. But that doesn’t make it any less …

Alternative Medicine

What Happens If You Have A Heart Attack In Space?

I flew in zero-G with a team of college students testing a device that could save astronauts' lives.<p>We're weightless, about 34,000 feet above the Gulf of Mexico, trying not to vomit from motion sickness while wiggling an ultrasound probe into the esophagus of a $26,000 mannequin. In a moment, the …

Space

Nature Retracts Two Long-Troubled Stem Cell Papers

So you can't make stem cells so easily after all.<p>The journal <i>Nature</i> has finally retracted two major studies it published in January, which claimed to have found new and easy ways to turn regular cells into stem cells. Not long after the papers first went online, independent scientists began noticing …

Glasses That Make Beer Taste Better

“What’s your recommended glassware for an IPA?”<p>Brewers spend years perfecting a chocolaty stout or balanced IPA, but when it comes to showcasing their craft, a pint glass serves about as well as a bucket. To rectify this crime against taste, the glass makers at Spiegelau created a line of …

Alcohol

Five discoveries taking science by surprise

If you thought dying of loneliness was just an old wives' tale, or that genetic inheritance is fixed – think again. Michael Brooks on science's most unexpected findings<p><b>1 | Lifestyle can change genes</b><p>We have come to think that if something is "in our genes", it is our inevitable destiny. However, …

Fertility problems linked to children's mental health issues, research claims

Danish doctors who studied 2.4 million kids say they have higher risk of conditions such as autism if mum had trouble conceiving<p>Children born to parents with fertility problems are more likely to develop psychiatric disorders than those with healthier mothers and fathers, research suggests.<p>Doctors …

Astronomy Photographer of the Year 2014: the shortlist - in pictures

Celestial Dance by Dr Claus Possberg (Germany). In this spectacular image of the northern lights unfolding over a fjord, in Skjervøy, Troms, Norway, the vibrant colours are produced at various altitudes by different atmospheric gases, with blue light emitted by nitrogen and green by oxygen. Red …

Humans Evolved Weak Muscles to Feed Brain's Growth, Study Suggests

Weak muscles evolved even faster than smart brains in people.<p>We humans may be weaklings by nature.<p><b>Humans appear to have evolved puny muscles even faster than they grew big brains, according to a new metabolic study that pitted people against chimps and monkeys in contests of strength.</b><p>The upshot, …

Urban Beekeeping on Green Rooftops

<b>My hometown of Washington, DC is famous for scandal and brokenness so you’ll pardon us capital dwellers a little bragging when something goes right.</b><p>Last year 300,000 square feet of green roofs popped up in our city, more than any other in America. Often perched within those urban building-top oases …

Dolphins Guide Scientists to Rescue Suicidal Girl

Wildlife & Wild Places<p>Bottlenose dolphin school foraging along the Los Angeles coastline. (Photograph by Maddalena Bearzi, Ocean Conservation Society, under NOAA permit)<p>One day, my research team and I were following a school of bottlenose dolphins near shore as we do on a regular basis in the …

Artifact Trove at Egyptian Tomb Illuminates Life Before Pharaohs

Archaeologist uncovers human sacrifices and evidence of strife.<p>A recently discovered tomb at a key Egyptian settlement has yielded the largest trove of artifacts ever found in a tomb there—including a young man's burned and scattered bones—and is shedding new light on the ancestors of the …

Q&A: Up From the Rubble: A Red Cross Expert Weighs In on Disaster Relief

From Haiti to the Central African Republic, Jean-Pierre Taschereau works on the bleeding edge of crises around the world.<p>When Jean-Pierre Taschereau was in high school, torrential floods gutted his hometown of Sainte-Marie, Quebec. He volunteered at an emergency Red Cross shelter and "knew right …

Gene Study Shows Blond Hair Color Is Just Skin Deep

A tiny mutation gifts a person with golden locks, scientists find<p><b>For thousands of years, people have both prized and mocked blond</b> <b>hair</b><b>. Now, a new study shows that many can thank a tiny</b> <b>genetic mutation—</b><b>a single letter change from an A to a G among the 3 billion letters in the book of</b> <b>human DNA—</b><b>for</b> …

Obama Calls for 30 Percent Reduction in Power Plant Emissions

New rules seek to curtail carbon from existing power plants.<p>The Obama Administration announced sweeping new rules for existing coal-fired power plants on Monday that would cut emissions by 30 percent from 2005 levels by 2030.<p><b>The proposed rules mark U.S. President Barack Obama's boldest action to</b> …

Dinosaur-Era Fossil Shows Birds' Feathers Evolved Before Flight

An ancient bird ancestor from the dinosaur era sported feathers, but couldn't fly.<p>A beautifully preserved fossil <i>Archaeopteryx</i>, a famed flightless bird from the age of the dinosaurs, adds to the evidence that feathers evolved well ahead of the ability to fly.<p>Long seen as one of the first birds,</i> …

Microscopically Structuring Steel Like Bamboo Makes It Stronger Yet More Flexible

Making a steel tool? You want both qualities.<p>People's teeth and bamboo stalks may not seem very durable compared to bars of steel. But, a new series of experiments finds, making metals mimic those materials could improve metals' endurance and strength.<p>A team of chemists from China and the U.S. …

With Help From Extinct Humans, Tibetans Adapted To High Altitude

At an altitude of nearly 3 miles, the Tibetan plateau is an extreme place to live. It's cold, it's hard to grow food, and there's about 40 percent less oxygen in the air than there is at sea level.<p>Somehow, though, native Tibetans are adapted to it. Their bodies — and their blood in particular — …

Yeti Identified As Ancestral Polar Bear

Samples of hair believed to be from the abominable snowman are actually from an ancestor of the polar bear.<p>The discovery raises the possibility that stories of an undiscovered giant primate living in the Himalayas may be based on large and aggressive, but reclusive, bears.<p>Bryan Sykes, a human …

Jacques Cousteau's Grandson Is About To Emerge From A Record-Breaking Stay Underwater

The younger Cousteau, 46, along with two "aquanauts," took the 60-foot (18-meter) dive to Aquarius, a 43-foot-long (18-meter-long) laboratory resting off of Key Largo, on June 1 following years of preparation and delay.<p>While Cousteau's goal was to attract more support for ocean conservation, teams …

Red Sea