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Dark, narrow streaks on Martian slopes such as these at Hale Crater are inferred to be formed by seasonal flow of water on contemporary Mars.
September 30, 2015 There is much excitement around finding liquid water on Mars. And, though high salinity is not good for life, we will only know if it exists there if we look, says astrophysicist Marcelo Gleiser.
Mars was named long ago. But there are 20 planetary systems that have stars and planets looking for names — and you can help.
September 29, 2015 You don't have to ride a rocket ship into the cosmos to have the chance to help name a planet. The names of stars and planets are up for grabs right now — and you can get in on the action.
September 27, 2015 Space-time is just the tip of the iceberg: Below the surface is a vast, unseen world of possibility, says quantum physicist Ruth Kastner. Here, she explores the idea of transactional interpretation.
The famous Lamar Pack alpha female "06," right, with her mate "755" before her shooting death.
Courtesy of Doug McLaughlin
September 17, 2015 Ecologist, activist and writer Carl Safina reflects on his observations of love and status-striving among wild wolves and discusses animal minds with anthropologist Barbara J. King.
September 16, 2015 Let's assume that we could preserve someone's brain after death — and reconstruct the architecture of the brain in great detail. This would be only part of the task, says commentator Marcelo Gleiser.
September 10, 2015 Through climate science, we learned to read entire worlds — and no one can take that achievement from us: We are greater for what we have built with this knowledge, says astrophysicist Adam Frank.
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A stellar nursery consisting of a group of thick clouds of dust, known as the Thackeray globules, silhouetted against the pale pink glowing gas of the nebula, as captured by the European Southern Observatory's Very Large Telescope.
September 9, 2015 What makes up your body are the remains of stars long gone. That this star stuff got organized to the point of becoming animated, thinking matter is nothing short of wonderful, says Marcelo Gleiser.
September 6, 2015 The world offers many possibilities for sensory universes — and some of these reflect the beauty of nature's deep design more clearly than others, says guest blogger Nobel Laureate Frank Wilczek.
September 4, 2015 There's irony in the idea that we all have a blind spot that doesn't actually cause us to experience blindness — but, still, there may be implications of a new study on the topic, says Alva Noë.
A quality control manager checks samples for unwanted bacteria as part of the process for making an influenza vaccine.
September 2, 2015 A curious personalization of science is underway — it's as if scientific issues are simply matters of opinion and not the product of a very thorough process, says commentator Marcelo Gleiser.
Prominent antiquities scholar Khaled al-Asaad speaks in Syria in this undated photo. He was later killed by the terror group ISIS for protecting Syria's ancient artifacts.
September 1, 2015 Knowledge gained from science, in its most democratically practiced forms, will always be threatening to someone. We must be stalwart in our determination to pass the light forward, says Adam Frank.
August 27, 2015 As students return to school, anthropologist Barbara J. King suggests it's time for the rest of us to take a pop quiz designed to measure science literacy in the United States.
This July 16, 1945, photo shows the mushroom cloud of the first atomic explosion at Trinity Test Site, New Mexico.
August 26, 2015 Humans toy dangerously with things we barely understand — and the consequences could be cataclysmic — but astrophysicist Marcelo Gleiser says these five experiments shouldn't have driven such fear.
August 25, 2015 A lot happened in the solar system this summer, from Pluto flybys to comet closeups. As the long summer shadows begin fading into memory, astrophysicist Adam Frank tours all we accomplished.
August 24, 2015 Commentator Tania Lombrozo says there's been some — but not much — progress in real data on vegan pregnancies in recent years; what's out there points to the conclusion that it's likely safe.
August 18, 2015 With the last of summer on our minds, it may be hard to get pumped up to think about deep issues like the politics of consumption on a finite planet, says Adam Frank. But what about thermodynamics?
Barbara J. King says that caring for Bootsie has helped her deal with her grief over the death of her mother.
Courtesy of Barbara J. King
August 13, 2015 Anthropologist Barbara J. King explores how she found her own grief eased after the death of her mother by helping a traumatized cat that had lost its human and animal families.
August 4, 2015 All those folks who think they can invent whatever claims they want about climate change, vaccines or evolution are like Martin Sheen trying to sell Centrum Silver on TV, says Adam Frank.
Unity is a film from the writer and director of Earthlings.
July 29, 2015 The upcoming documentary Unity is a wake-up call to humanity on the moral duty to respect the diversity of life, which is born from the same seed, says commentator Marcelo Gleiser.
July 26, 2015 The New York Times recently reported that a walk in nature can actually change the wiring in your brain. So, Adam Frank suggests we go take a walk.
July 23, 2015 The Matrix for spiders? Anthropologist Barbara J. King explores what scientists can learn about invertebrate perception and neurophysiology from chilling then magnetizing jumping spiders.
July 22, 2015 Last week, scientists working at the Large Hadron Collider announced the discovery of the "pentaquark" particle, clearing up 50 years of false signals and potential sightings, says Marcelo Gleiser.
July 15, 2015 Astrophysicist Marcelo Gleiser wonders what the children watching the flyby will accomplish as they join the ranks of future space explorers. The probes have been there; perhaps now it is our turn.
July 8, 2015 Some memories persist for a lifetime, even if sometimes only at the level of uncertain contours, says commentator Marcelo Gleiser. How does the brain do that?
July 7, 2015 A road trip to Pluto is not something you want to try with kids — the asteroid belt is nothing but tourist traps, and the rest stops really thin out after Saturn, says astrophysicist Adam Frank.
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