Science X Dialog

Imagine placing oranges or tennis balls into a rigid container. How can the balls be arranged such that they occupy the largest volume fraction of the container, otherwise known as the largest packing density? This is one ...

Astronomers are increasingly drawing back the curtains on black holes. In the past few years, we have finally captured actual photos of these fearsome creatures and measured the gravitational waves—ripples in spacetime—that ...

Have you ever spilled coffee on a solid surface such as the floor, table or clothing? Most of us have had the experience, but if you have not, or if you are curious, spill just a drop and let it dry for some time. You will ...

Richard Feynman famously said, "I think I can safely say that nobody understands quantum mechanics." Since Feynman won a Nobel Prize in physics for his work in quantum theory, he certainly understood how to use it. Indeed, ...

Why did the valet hate being in a parallel universe?

Just over a year ago, material from the Japanese Hayabusa 2 mission to Asteroid (162173) Ryugu arrived back on Earth . And this week, the first two papers reporting analysis of the material have been published in Nature Astronomy.

Blocking an immune system molecule that accumulates after traumatic brain injury could significantly reduce the injury's detrimental effects, according to a recent mouse study my neuroscience lab and I published in the journal ...

More than 120 million years ago in what is now modern Brazil, an ancient waterway was filled with all manner of strange creatures. These included dinosaurs, pterosaurs, sharks, bony fishes, a dizzying array of insects, strange ...

Star formation—the conversion of gas into stars—is arguably the most important process in the universe. Yet there are regions of space that are so tempestuous, so inhospitable that star formation can be completely halted ...

Homing pigeons are known for their uncanny ability to find their way home—navigating complex and changing landscapes. In fact, they do this so well they were used as a source of secure communication more than 2,000 years ...

Alongside advances in space exploration, we've recently seen much time and money invested into technologies that could allow effective space resource utilization. And at the forefront of these efforts has been a laser-sharp ...

Most people know that the land masses on which we all live represent just 30% of Earth's surface, and the rest is covered by oceans.