How do you study facial bias without bias?

When we encounter an unfamiliar face, we tend to make snap judgments. Does the person look smart, attractive, or young? Are they trustworthy or corrupt? Neuroscientists and psychologists study how our brains form these facial ...

Coaxing jellyfish, flies and mice to regenerate body parts

Caltech researchers have discovered certain conditions that enable different laboratory animals to regenerate amputated appendages. Upon consuming a diet high in sugar and an essential amino acid, three different species—the ...

How to read a jellyfish's mind

The human brain has 100 billion neurons, making 100 trillion connections. Understanding the precise circuits of brain cells that orchestrate all of our day-to-day behaviors—such as moving our limbs, responding to fear and ...

The vast little library inside your cells

The human genome can be thought of as a massive library, containing over 20,000 different "instruction manuals": your genes. For example, there are genes which contain information to build a brain cell, a skin cell, a white ...

Controlling light with a material three atoms thick

Most of us control light all the time without even thinking about it, usually in mundane ways: we don a pair of sunglasses and put on sunscreen, and close—or open—our window blinds.

Extending our reach into the cosmos with new mirror coatings

Since the Laser Interferometer Gravitational-wave Observatory (LIGO)'s groundbreaking detection, in 2015, of gravitational waves produced by a pair of colliding black holes, the observatory, together with its European partner ...

High-throughput method of identifying novel materials

Coupling computer automation with an ink-jet printer originally used to print T-shirt designs, researchers at Caltech and Google have developed a high-throughput method of identifying novel materials with interesting properties. ...

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