Diving deeper into the gene pool

About ten years ago, the discovery of microRNAs — tiny cellular molecules that regulate our genetic code — unlocked a world of scientific possibilities, including a deeper understanding of human disease. One new analytical ...

Getting a tail up on conservation?

Lizards are an important indicator species for understanding the condition of specific ecosystems. Their body weight is a crucial index for evaluating species health, but lizards are seldom weighed, perhaps due in part to ...

Micromachines for a safer world

Tiny sensors known as accelerometers are everywhere. The near-weightless technology can measure the impact of a dangerous tackle on a football player's helmet, control the flow of highway and runway traffic, analyze a golf ...

Keeping trains on track

Thousands of people around the world have died in train wrecks caused by natural disasters. In 2004, the tsunami in Southeast Asia derailed a Sri Lankan train, killing 1,700 people. But with modern advances, these tragedies ...

'Magical thinking' about islands is an illusion

Long before TV's campy Fantasy Island, the isolation of island communities has touched an exotic and magical core in us. Darwin's fascination with the Galapagos island chain and the evolution of its plant and animal life ...

Protein power for Jack and the beanstalk

Plant geneticists are on a determined quest -- to control auxin, a powerful plant growth hormone. Auxin tells plants how to grow, where to lay down roots, how to make tissues, and how to respond to light and gravity. Knowing ...

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