Helen Fredell

34 Added | 7 Magazines | 9 Likes | @HelenFredell | Keep up with Helen Fredell on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Helen Fredell”

These NASA inventions are saving thousands of lives on Earth

When most people think of NASA, they think of astronauts, space shuttles and men on the moon. What’s less well known is that in making space travel possible, the US space agency has created new technology that’s saving lives all over the planet.<p>NASA’s Technology Transfer Program makes the …

Appalachian Trail

Skedaddle Is Using On-Demand Charter Busses To Fix Long-Distance Travel

While Uber and Lyft now have a glorified monopoly on intracity transportation, there is still a need for a safe, reliable transportation option that can disrupt longer distance trip providers like Greyhound and Amtrak.<p>That’s where Skedaddle comes in. While only founded a few months ago, the …

Spain is threatening to cut off its richest economic region

The all-too predictable reaction of Madrid's central government has been to raise the stakes to lofty new heights by threatening to cut off the financial supply lines between Madrid and Catalonia. As El Mundo reports, Spanish Premier Mariano Rajoy has threatened to centralize all financial …

Europe

The Surprising Way Jellyfish Put Themselves Back Together

The moon jellyfish has a leg up on Humpty Dumpty—if it loses an arm, the ocean dweller can repair itself in a newly discovered process.<p>In the spring of 2013, biologist Michael Abrams had cut two arms off a young jellyfish when he witnessed something he'd never seen before.<p>"He started yelling... …

9 Picture-Perfect Gardens Around the World

1 of 9<p>Desert Botanical Garden, Phoenix, Arizona<p>Advertisement<p>2 of 9<p>Keukenhof, Lisse, The Neterlands<p>3 of 9<p>The Garden of Cosmic Speculation, Portrack …

Scientists are closing in on the ultimate secrets of plant photosynthesis

Scientists have long understood how photosynthesis works – but only up to a point. The very fine details are hard to discern. Everything takes place at the molecular and even the atomic scale, involving proteins that are hard to see, and the coming and going of photons and electrons. Photosynthesis …

Atoms

The buffalo fly trap: clean, green and pesticide-free

Sometimes the best ideas seem so simple.<p>Related Stories<p>Celebrating 50 years of ABC Science, Science Online, 01 Sep 2014<br>• The great redback invasion of …

Scientists Unveil Genetically Modified Insects with 'Kill Switch' Genes

<b>Biotechnologists at the Massachusetts Institute of Technology (MIT) have developed a ‘kill-switch’ for genetically modified insects. It is meant to</b> …

The Crazy Chemistry Of Insects

There are an estimated 10 quintillion insects on the planet right now. If that fact doesn’t get you itchy and reaching for the bug spray, check out …

Research Paper: "Common Design Principles" Explain Patterns of Retinal Cells in Insects

A new article in the journal <i>Trends in Genetics</i> bears an intriguing title: “The evolutionary diversity of insect retinal mosaics: common design …

Earth - What makes mosquitoes so deadly?

Malaria kills hundreds of thousands of people every year and is a disease caused by parasitic microoorganisms, which mosquitoes unwittingly pass from one human to another as they move from one meal to the next.<p>Feasting on blood is vital for the females of most mosquito species, as they need the …

Can an Interstate Bug Highway Save the Monarch Butterflies?

Every year, monarch butterflies take on an astounding multi-generational migration, traveling thousands of miles from Canada and the Northern United …

Nature

Root cause: making crop plants better at sourcing water and nutrients

Increasing a plant’s ability to locate and absorb water and nutrients through its roots could potentially lead to bigger and better crop yields. That is the theory underlying an EU-supported research project at the University of Nottingham in England.<p>Researchers there have been growing wheat and …

Underlying

Rehabilitation plant unmasked as common saltbush

Scientists investigating the genetic status of the land rehabilitation and fodder plant eyres green saltbush (<i>Chenopodioideae</i>) have revealed that it …

A Glowing Plant: The First Fruit of 'Digitized' Genetic Engineering

Image via Glowing Plant<p><i>By Antony Evans</i><p>Synthetic biology is entering an exciting new phase. An ecosystem of companies is now developing services to enable faster, cheaper, and better genetic engineering. They are, in effect, "digitizing" genetic engineering through relatively inexpensive cloud-based …

DNA breakage underlies both learning, age-related damage

The process that allows our brains to learn and generate new memories also leads to degeneration as we age, according to a new study by researchers …

Lucky you! Accidents of evolution that made us human

Compared with chimps, humans have evolved weak jaw muscles and jaw bones – possibly because social organisation reduced the need to bite as a form of …