Why no tusks? Poaching tips scales of elephant evolution

A hefty set of tusks is usually an advantage for elephants, allowing them to dig for water, strip bark for food and joust with other elephants. But during episodes of intense ivory poaching, those big incisors become a liability.

Why some like it hot: The science of spiciness

Spiciness, or its perception, occurs in most cuisines worldwide. The chili pepper of the genus Capsicum (family Solanaceae) is one of the world's most widely used spices, found in thousands of recipes and sometimes eaten ...

Israeli scientists find way to combat forged DNA

Israeli scientists have developed new technology to fight biological identity theft after realising that DNA evidence found at crime scenes can be easily falsified.

Researchers turn cell phones into fluorescent microscopes

(PhysOrg.com) -- Researchers at the University of California, Berkeley, are proving that a camera phone can capture far more than photos of people or pets at play. They have now developed a cell phone microscope, or CellScope, ...

Novel microfluidic HIV test is quick and cheap

UC Davis biomedical engineer Prof. Alexander Revzin has developed a "lab on a chip" device for HIV testing. Revzin's microfluidic device uses antibodies to "capture" white blood cells called T cells that are affected by HIV. ...

A smartphone sensor to detect disease factors in breath

It has been said that spending too much time on a smartphone can negatively impact brain development or even cause damage to the neck. But don't toss yours in the bin just yet. An EU-funded project is working on smartphones' ...

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