sara roberts

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Women Nobel Prize Winners: 16 Women Who Defied Odds To Win Science's Top Award (PHOTOS)

Women make up a bit more than half of the world’s population, yet even in the most developed countries, men hold the lion's share of jobs in STEM (science, technology, engineering, and mathematics) fields. What's more, men take home most of the prestigious scientific awards. That includes the Nobel …

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If you don’t have video in your content mix, you’re missing out. It’s simpler to make than ever, ...<p>November 1, 2017<p>Want to know how to make …

Build an atom, complete with protons, neutrons and all requisite orbitals and electron spins. A pretty little look at the idealized, not-to-scale world of the elements. Great for a chemistry or physics reference anyway. That’s helium, carbon, iron and livermorium for those of you keeping track at home. Interested in a diagram of an atom that’s more to scale? Get yourself an 11-mile wide computer monitor and head over to this site. EDIT: An earlier version of this post said hydrogen instead of helium, because I’m a dummy and I was in a hurry.

<b>Build an atom</b>, complete with protons, neutrons and all requisite orbitals and electron spins. A pretty little look at the idealized, not-to-scale …

Science

X doesn't mark the spot: real shape of chromosomes revealed

Time to revise the high school biology textbooks: contrary to their typical portrayal as being precisely X-shaped, chromosomes are in fact much more complex — and much messier looking. That's the finding of a new project that relied on DNA sequencing to produce accurate 3D images of chromosomes.<p>A …

NASA's Cassini Spacecraft Finds Plastic Ingredient Propylene on Titan

NASA's Cassini spacecraft has found propylene, an ingredient of household plastic, on Saturn's moon Titan. NASA says this is the first definitive …

What Happens If An Astronaut Floats Off In Space?

In short: he's in trouble.<p>In the film <i>Gravity</i>, which opens this month, two astronauts are on a spacewalk when an accident hurtles them into the void. So what would actually happen if you went, in NASA's terminology, "overboard"?<p>NASA requires spacewalking astronauts to use tethers (and sometimes …

How Having Three Parents Leads To Disease-Free Kids

A newly approved procedure lets scientists gather DNA from three people, then use it for in vitro fertilization.<p>This summer, government health officials in the United Kingdom made headlines by announcing that they will let scientists create babies with DNA from three different people. The procedure …

Watch for Sirius, sky’s brightest star

Is October 4, 2017 the Harvest Moon? Click here to find out!<p>Also, be sure to watch for Mars and Venus during their close conjunction on the morning …