Most mammals, including humans, are diploid. That is, nuclear DNA (nrDNA) exists as pairs of chromosomes (humans have 23 pairs of chromosomes, while mice have 20). This pair of chromosomes are homolo… [+6057 chars]
A new 'super Earth' that is four times bigger than our own planet has been spotted orbiting a star just 36.5 light-years away. The exoplanet, which has been named Ross 508b, was discovered in the so… [+5433 chars]
Sunspots are the areas with the strongest magnetic fields and, therefore, a good indicator of solar activity. They give indications of the possibility of solar eruptions that may precede geomagnetic … [+858 chars]