Brigita Sehgal

714 Flips | 9 Magazines | 2 Likes | 55 Followers | @BrigitaSehgal | Keep up with Brigita Sehgal 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 “Brigita Sehgal”

Scientists just discovered a strange new DNA shape lurking in human cells

But what does it do?<p>The discovery of DNA as a double helix is a hallowed story of scientific triumph—the work of four researchers merging together to solve one of science’s biggest mysteries, giving birth to what we know as the field of modern genetics. But decades later, we’re still learning that …

Biology

Colored Pigments and Complex Tools Suggest Humans Were Trading 100,000 Years Earlier Than Previously Believed

<i>What the heck are these?</i> thought Rick Potts. The Smithsonian paleoanthropologist was looking at a small, round, charcoal-colored lump. The stubby …

New findings paint picture of Neanderthals as artists

<b>(CNN) —</b> Neanderthals may not have been that different from us, after all.<p>New evidence reveals that they created the world's oldest known cave paintings and even wore seashells as body ornaments. Both behaviors suggest that they thought symbolically and had an artistic sensibility like modern …

Humanity

Five major psychiatric disorders have overlapping patterns of genetic activity, new study shows

<i>This post has been updated.</i><p>Certain patterns of genetic activity appear to be common among five distinct psychiatric disorders — autism, schizophrenia, bipolar disorder, depression and alcoholism — according to a new study. The paper, appearing in the journal Science, was released …

In Cave in Israel, Scientists Find Jawbone Fossil From Oldest Modern Human Out of Africa

Scientists on Thursday announced the discovery of a fossilized human jawbone in a collapsed cave in Israel that they said is between 177,000 and 194,000 years old.<p>If confirmed, the find may rewrite the early migration story of our species, pushing back by about 50,000 years the time that Homo …

Anthropology

Ancient Human Remains Document Migration From Asia To America

In Alaska, scientists have uncovered something they say is remarkable: the remains of two infants dating back more than 11,000 years.<p>Their discovery is evidence of the earliest wave of migration into the Americas.<p>"It's incredibly rare," says Ben Potter, an archaeologist at the University of Alaska …

Anthropology

'Teachers can only ever have a small impact on their students' results – yet they are judged as if they are 100% responsible'

There is little evidence to suggest we can link the performance of a teacher to a set or sets of exam results.<p>There is, however, plenty of evidence …

Education

Warm and Wet Ancient Mars? Maybe Not

Ancient Mars may not have been all that warm and wet after all.<p>The Red Planet has widespread deposits of clay minerals, which are formed via the …

Research

A timeline for humanity's colonization of space

Humans have long desired to explore the vast realms of space. Today, we are finally poised to send people out into the cosmos. Indeed, a number of …

Scientists uncover the truth about strange shifting patterns on the surface of Mars

Strange seasonal patterns on the surface of Mars are made by freezing and melting of gas not water, a new study has found.<p>The Red Planet has gullies …

Durham University

Mars Rover Curiosity Tests Rock Drill After 10-Month Wait

NASA's Mars rover Curiosity is making strides toward bringing its rock-boring drill back online.<p>On Oct. 17, Curiosity pressed its drill against a …

Martian Missive: 'Others Will Follow' Film Explores Last Message from Mars

A new sci-fi short explores the message that the (fictional) last human to survive a Mars mission sends back to Earth.<p>As shown in a short sci-fi …

NASA just discovered that Mars has a tail, and it’s incredibly unusual

Jupiter has a bunch of moons, Saturn has rings, and Earth has life (that’s pretty cool), but what about Mars? Well, as it turns out, the Red Planet …

Magnetism

Confession Of A Planetary Scientist: 'I Do Not Want To Live On Mars'

I am a planetary scientist and once astronaut candidate finalist (read: space nerd).<p>But I have something to confess: I do not want to live on Mars.<p>While certainly interesting scientifically (e.g., seasonally-varying polar caps; transient methane plumes; permafrost), Mars is not particularly …

NASA's new ion thruster breaks records, could take humans to Mars

Ionic Propulsion from NASA<p>NASA’s new X3 thruster, which is being developed by researchers at the University of Michigan in collaboration with the …

Elon Musk’s Biggest Challenge on Mars Won’t Be Getting People There

Some seriously important questions remain.<p>Elon Musk loves to talk about his BFR. At the IAC in Adelaide, Australia recently, the SpaceX founder …

Ancient Martian Lakes Might Have a Wild Origin Story

Mars’ long-gone lakes are an infinite source of mystery. Some say these massive pools might have once been teeming with life, including — in my …

University of Chicago

Live: Everything Elon Musk just unveiled about his plans to colonize Mars

Excitement Down Under<p>Every year, the who’s who of the space industry gathers at the International Astronautical Congress (IAC) to celebrate all …

Space Travel

Here's where to watch Elon Musk's big Mars speech

On Friday Elon Musk will lay out his updated plan to bring humans to Mars and beyond.<p>The SpaceX founder's speech is expected to fill in some holes …

Russia and US will cooperate to build moon's first space station

Russia and the United States have agreed to cooperate on a Nasa-led programme to build the first lunar space station, part of a long-term project to send humans to Mars.<p>The US space agency said earlier this year that it was exploring a programme called the Deep Space Gateway, a multi-stage project …

Space Exploration

NASA's new “gravity map” corrects fundamental assumption about Mars

Thin Crust Planet<p>Thanks to some new methods of studying the structure of planetary density, we now know that the crust of our closest neighbor, Mars, …

Why asteroid mining is integral to our plans for colonizing Mars

Journey to Mars<p>Mars has garnered a lot of attention from companies like SpaceX that wish to put people on the red planet in the hopes of colonizing …

Mars isolation test will end this weekend after 8 months

Back in January, we reported that a crew was going to spend 8 months living in isolation in a location that simulated the Mars environment. This …

Broken wheels won't stop Curiosity from exploring Mars

NASA's Curiosity Rover has been roaming around Mars for more than five years. In that time, it's sent back a ton of data about the red planet. Thanks to the robot, we know that the veins dotted around its craters were likely created by evaporating lakes. It also spotted more water evidence in …

Life existed on Mars, shocking discovery suggests

Scientists have found key evidence which suggests life may once have existed on Mars.<p>Nasa's Curiosity rover has detected boron, a key ingredient for life, on the dusty surface of the Red Planet.<p>The discovery is a huge boost in the hunt for extraterrestrials and could back up a theory suggesting …

NASA is heading on a journey to the center of Mars

Someone tell Elon Musk to strap the Boring Company aboard his next SpaceX rocket, because NASA might need some help with their next endeavor. The space agency is moving forward with plans to make their next mission to Mars a very Jules Verne-sounding journey to the center of the Red Planet.<p>Interior …

Elon Musk shows off first SpaceX spacesuit in Instagram post

Elon Musk has revealed the next step in his mission to put humans on Mars, by unveiling a first look at a spacesuit produced by his company …

Mars is a winter wonderland at night

When you think of the surface of Mars you probably think of a dusty, largely featureless wasteland of orange dust and jagged rocks right? Thanks to …

A new discovery on Mars could change future missions

According to a new study published by Nature Geoscience, it's highly likely that extreme temperature changes on Mars trigger snow storms at night on the planet's surface. These storms aren't as violent as blizzards on Earth but are much more intense than previously thought.<p><b>Follow Tech Insider:</b>On …

5 Questions NASA Has to Answer to Keep Mars Colonizers Alive

The red planet's brutal landscape poses problems for lightweight solar panels.<p>From the surface of Mars, the sun looks a lot different. For starters, …

Solar Panels