News tagged with population

Fate of new genes cannot be predicted

New versions of genes, called alleles, can appear by mutation in populations. Even when these new alleles turn the individuals carrying them more fit to survive and reproduce, the most likely outcome is that ...

Sep 13, 2013
popularity 4.5 / 5 (2) | comments 1 | with audio podcast

US lawmakers examine gender imbalance in India

Millions of sex-selective abortions in India have skewed gender ratios, and the origins of the problem can be traced to American-supported population control strategies decades ago, a U.S. congressional panel heard Tuesday.

Sep 11, 2013
popularity 5 / 5 (1) | comments 1

The safest way to walk to school

With seventy per cent of kids travelling to school by car, compared to 25 per cent in the 1970s, traffic congestion around schools has increased, raising concerns about safety.

Sep 09, 2013
popularity not rated yet | comments 0