Mariette Le Roux

For Mariette Le Roux's latest contributions to The Japan Times, see below:

Shooting stars 'come from comet dust'

Jan 31, 2015

Shooting stars 'come from comet dust'

Suspicions that shooting stars come from comet dust, transformed into fiery streaks as they hit Earth’s atmosphere, have been bolstered by Europe’s Rosetta space mission, scientists reported on Jan. 26. Comets and asteroids have both been eyed as possible progenitors of meteors, also known ...

Genes may contribute to criminal behavior

Jan 24, 2015

Genes may contribute to criminal behavior

Is a violent criminal born that way, or shaped by childhood experiences and circumstances? Delving into one of the oldest questions in psychology, some scientists have suggested genes may contribute to roughly half of the influence — by affecting complex brain chemistry, for instance. ...

Climate change ravaging Antarctic fur seals

Aug 2, 2014

Climate change ravaging Antarctic fur seals

A food shortage likely caused by climate change is shrinking a South Antarctic fur seal colony and changing the profile of its surviving members, researchers said on July 23. South Georgia Island’s Antarctic fur seal pups have a lower average birth weight, and there ...

Higgs digs deeper into 'new physics' realm

Jul 19, 2014

Higgs digs deeper into 'new physics' realm

Two years after making history by unearthing the Higgs boson, the particle that confers mass, physicists are broadening their probe into its identity, hoping this will also solve other great cosmic mysteries. Sifting through mountains of experimental data, they have now pieced together a ...

Sci-fi scenarios now a reality in medical world

| Jul 18, 2014

Sci-fi scenarios now a reality in medical world

Exoskeletons helping the paralyzed to walk, tiny maggot-inspired devices gnawing at brain tumors, machines working tirelessly as hospital helpers: In many respects, the future of medicine is already here. Experts say that at the experimental level, human skills are already being enhanced or replaced ...

Quest for extraterrestrial life not over: experts

Apr 26, 2014

Quest for extraterrestrial life not over: experts

The discovery of an Earth-sized planet in the “habitable” zone of a distant star, though exciting, is still a long way from pointing to the existence of extraterrestrial life, experts said April 18. The planet, dubbed Kepler-186f, is the first of this size found ...

'Little Foot' fossil could be human ancestor

Mar 22, 2014

'Little Foot' fossil could be human ancestor

A short, hairy “ape man” who tumbled into a pit in South Africa millions of years ago is back in the running as a candidate ancestor for humans, scientists saidearlier this month. A painstaking 13-year probe has “convincingly shown,” they said March 14, that ...

| Nov 8, 2013

Climate talks to resume without target

U.N. climate talks will resume in Warsaw on Monday amid a slew of warnings about a potentially disastrous rise in greenhouse-gas emissions. Though the stakes are high, no specific targets have been set for this round, hosted by one of the world’s biggest coal ...