Geometry is key to T-cell triggering

T cells protect the body from foreign substances (known as antigens) and are an essential component of the body's immune system. New immunotherapies that use a patient's own T cells to treat disease have already proven strikingly ...

How social networking sites may discriminate against women

Social media and the sharing economy have created new opportunities by leveraging online networks to build trust and remove marketplace barriers. But a growing body of research suggests that old gender and racial biases persist, ...

Crowdsourced family tree yields new insights about humanity

Thanksgiving gatherings could get bigger —a lot bigger—as science uncovers the familial bonds that bind us. From millions of interconnected online genealogy profiles, researchers have amassed the largest, scientifically-vetted ...

Engineers develop floating solar fuels rig for seawater electrolysis

In a single hour, more energy from the sun hits the Earth than all the energy used by humankind in an entire year. Imagine if the sun's energy could be harnessed to power energy needs on Earth, and done in a way that is economical, ...

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