'Lab on a chip' can measure protein-DNA interactions

New nanophotonic tweezers developed by Cornell researchers can fit on a chip less than one-inch square, making it easier and more efficient to manipulate single molecules using light in order to investigate biological systems.

Earthquake depth impacts potential tsunami threat

Earthquakes of similar magnitude can cause tsunamis of greatly varying sizes. This commonly observed, but not well-understood phenomenon has hindered reliable warnings of local tsunamis.

Scientists envision what Mars would look like as an exoplanet

In science fiction movies and television shows, real-life locations on Earth, such as California's Redwood National Forest and the Sahara Desert, have long been used to represent alien worlds. But recently, in a Star Trek-style ...

Examining the origins of proton spin

Where does the proton get its spin? This question has puzzled physicists ever since experiments in the 1980s revealed that a proton's constituent quarks—the most fundamental building blocks of atomic nuclei—account for ...

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