American universities used to be small centers of rote learning, but three big ideas turned them into intellectual powerhouses.
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Baruch Spinoza suggests how to lead a virtuous and blessed life.
How much of this can be linked to genetics?
As time goes on, every galaxy beyond our local group will speed away from us faster and faster. And yet, more will keep appearing. The farther away a galaxy is […]
A cosmic puzzle is finally solved, as new observations answer the question of why this galaxy exists at all. For the last couple of years, astronomy has had a tremendous puzzle […]
Millions of doses of Johnson & Johnson’s COVID-19 vaccine could be distributed as early as this week.
They say that atoms are mostly 99.99999% empty space. But quantum physics says otherwise. If you were to look at what your body is made of, at smaller and more […]
To war is human – and Neanderthals were very like us.
When two black holes that shouldn’t exist are seen merging, physics has some explaining to do. After years of searching for gravitational waves, it finally happened: LIGO bagged the biggest one […]
By delving into the mysteries of the Universe, colliders have entered the Zeitgeist and tapped the wonders and fears of our age.
You may be surprised at how your body and brain react to this type of pleasure.
If you want to get the Universe we see, a multiverse comes along for the ride. When we look out at the Universe today, it simultaneously tells us two stories about […]
How slight differences could have forever changed our cosmic history. 13.8 billion years ago, what we know today as our Universe began with the hot Big Bang. Filled with matter, antimatter […]
Not everything needs a medium to travel through. If we can overcome that assumption, we don’t need the aether at all. All throughout the Universe, different types of signals propagate. Some […]
Researchers make breakthrough in studying traumatic long-term memory in flies.
Research suggests that aging affects a brain circuit critical for learning and decision-making.
The images and our best computer models don’t agree.
In General Relativity, the fabric of space doesn’t remain static over time. Everything else depends on the details we measure. If there’s one thing we’ve experimentally determined to be a constant […]
Differences in the way that the Hubble constant—which measures the rate of cosmic expansion—are measured have profound implications for the future of cosmology.
An important step toward figuring out our space station future.
With sodium-sensitive eyes, we’d see it every new Moon. With no detectable gases, the Moon appears to be atmosphere-free. The Moon as seen from a view above the majority of Earth’s […]
Today, our observable Universe extends for 46 billion light-years in all directions. But early on, things were much smaller. There are few things we can conceive of that are as mind-bogglingly […]
We just found a system that we can’t explain. Here’s what’s going on. One of the most fascinating facts about the Universe is that there’s so much of it out there. […]
Think there are habitable super-Earths out there? Think again. Here in our Solar System, we have two very distinct types of planets: small, terrestrial, rocky worlds, with thin (or no) atmospheres […]
Stewart is supporting a new bill that aims to extend health care and disability benefits to veterans who served alongside burn pits.
Neuroscientists and ethicists wants to ensure that neurotechnologies remain benevolent.
Even physicists sometimes fall for these. For centuries, the laws of physics seemed completely deterministic. If you knew where every particle was, how fast it was moving, and what the forces […]
The expansion rate is dropping, but distant galaxies are accelerating. Here’s how. If you take a look at any galaxy in the Universe that isn’t gravitationally bound to our own, we’ve […]
Debris from Pluto-sized collisions, not aliens, are streaming through the galaxy. In 2017, scientists discovered an object passing through our Solar System that was unlike anything else we had ever seen. […]
Tips from neuroscience and psychology can make you an expert thinker.