02/08/2011

Do planets rob their stars of metals?

t has been known for several years that stars hosting planets are generally more rich in elements heavier than hydrogen and helium, known in astronomy as “metals”. These heavy elements help to form the cores of ...

A toss of the dice reveals the truth

In a new study published in the Proceedings of the Royal Society B, researchers show how a simple toss of the dice can help to bring out honest answers when people are asked difficult questions.

A hot bath for gold nanoparticles

Gold nanoparticles, says Chris Kiely, are fast becoming some of the most effective diplomats of the nanoworld.

Israeli scientists develop date-rape drug detector

The days of having to cart your cocktail to the ladies room may be over: two Israeli scientists say they have developed a sensor that can accurately detect date-rape drugs in drinks 100 percent of the time.

S.African high-speed train link takes off

The main link on Africa's fastest railway opened Tuesday to thousands of commuters who shuttled at 160 kilometres (100 miles) per hour between Johannesburg and the South African capital Pretoria.

20-million-year-old ape skull unearthed in Uganda

A team of Ugandan and French paleontologists announced Tuesday they had found a 20-million-year-old ape skull in northeastern Uganda, saying it could shed light on the region's evolutionary history.

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