Jackie Elder

15 Flips | 3 Magazines | 48 Likes | @JackieElder | Keep up with Jackie Elder 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 “Jackie Elder”

Scientists detect signal from ‘cosmic dawn,’ when stars first lit up the universe

For the first time, scientists have detected a signal from “cosmic dawn” — the moment when the universe's earliest stars emerged.<p>The signal, reported Wednesday in the journal Nature, is little more than a blip in the radio echo of that ancient era, as difficult to detect as the wingbeat of a …

Black Holes

The Human Cost of the Ghost Economy

<i>Melissa Chadburn | Longreads | December 2017 | 12 minutes (3,090 words)</i>Last year I worked undercover at a temp agency in Los Angeles. While I took …

The complete visual history of SpaceX’s single-minded pursuit of rocket reusability

In June 2017, SpaceX launched three rockets into space. It also returned the first stages of those rockets, 14 stories tall and weighing 20 tons (18 metric tons), back to earth, where they settled onto floating barges in both oceans and a landing pad at Cape Canaveral. One of those rockets had …

Space Travel

Astrobiology Web

Mars<p>Iron-rich rocks near ancient lake sites on Mars could hold vital clues that show life once existed there, research suggests.<p>Habitable Zones & …

NASA Selects New Director for Astrobiology Institute

Penelope Boston has been selected as the director of NASA's Astrobiology Institute, in Moffett Field, California, to lead the scientific activities …

How Astrobiologists Work

As a spacecraft called MAVEN hurdled toward Mars, NASA prepared for data that could reveal the planet's atmospheric history. After achieving orbit on …

Astrobiology Students Use Art to Develop Critical Thinking Skills

Consider the process that goes into creating a painting — the attention to detail, the need to interpret the world around you. A scientist goes about …

NASA Astrobiology Institute

Exoplanet Biosignatures Workshop Without Walls<p>The NASA Nexus for Exoplanet System Science (NExSS) and Astrobiology Program are hosting an Exoplanet …

Detecting 3D Vegetation Structure with the Galileo Space Probe: Can a Distant Probe Detect Vegetation Structure on Earth?

1. Sagan C, Thompson WR, Carlson R, Gurnett D, Hord C. A Search for Life on Earth from the Galileo Spacecraft. Nature. 1993;365(6448):715–21. …

Planetary Habitability

Microscope will seek biological samples on red planet

One criticism of astrobiology is the tendency to look for familiar carbon-based life that would thrive in the presence of water. A strategy to …

NASA Astrobiology

The era of directly imaging exoplanets has only just begun, but the science and viewing pleasures to come are appealingly apparent.<p>This evocative …

5 Affordable Ways To Invest In Your Workforce

The workforce is any company’s most valuable asset—no matter the size, location or even the industry. You wouldn’t be able to do what you do without the people who work for you. It’s as simple as that.<p>It’s important to recognize the role the workforce plays in what you do as a company. Valuing your …

Humans are endangering the most abundant animal on the planet

Barely longer than your thumb, weighing under an ounce and nearly translucent, delicate crustaceans known as krill are vital to ocean ecosystems around the world. In the waters that encircle Antarctica, krill are an essential food source for penguins, baleen and blue whales (which can eat as much …

Biodiversity

Hit a Growth Plateau? Use These 9 Ecommerce Strategies

Every ecommerce company hits it now and then. It’s the dreaded <i>plateau</i>, or worse, the sales slump.Such plateaus make investors anxious, they cause …