California Institute of Technology

How do you make a greasy protein?

Every cell is encapsulated and protected by a thin membrane made of greasy molecules called lipids. Assemblies of equally greasy protein molecules span the membrane, forming passageways that control the flow ...

dateJan 07, 2015 in Cell & Microbiology
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Can binary terrestrial planets exist?

The possible existence of Earth-like binary planets is being described today at the American Astronomical Society's Division for Planetary Sciences meeting in Tucson, AZ. Two bodies, each of mass similar ...

dateDec 03, 2014 in Astronomy
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How photosynthesis changed the planet

Two and a half billion years ago, single-celled organisms called cyanobacteria harnessed sunlight to split water molecules, producing energy to power their cells and releasing oxygen into an atmosphere that ...

dateNov 20, 2014 in Other
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Converting data into knowledge

When a movie-streaming service recommends a new film you might like, sometimes that recommendation becomes a new favorite; other times, the computer's suggestion really misses the mark. Yisong Yue, assistant ...

dateNov 17, 2014 in Computer Sciences
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Studying the physics of galaxies

Assistant Professor of Astronomy Evan Kirby arrived on campus in August. Born and raised in New Orleans, Kirby earned his BS in 2004 from Stanford University; his undergraduate thesis involved trips to Pasadena ...

dateNov 03, 2014 in Astronomy
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