24/02/2023

How birds got their wings

Modern birds capable of flight all have a specialized wing structure called the propatagium without which they could not fly. The evolutionary origin of this structure has remained a mystery, but new research suggests it ...

Social inequities reflected in wait times: The poor wait longer

Nobody likes waiting for services, whether it's a long line at the grocery store or an extra half-hour in a doctor's waiting room. Turns out wait times are not the same for everyone: Black Americans and lower income Americans ...

When material goes quantum, electrons slow down and form a crystal

The shifting, scintillating pattern you can see when you stack two slightly misaligned window screens is called moiré. A similar interference effect occurs when scientists stack two-dimensional crystals with mismatched atomic ...

Making engineered cells dance to ultrasound

Let's say you needed to move an individual cell from one place to another. How would you do it? Maybe some special tweezers? A really tiny shovel?

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