Longest-lasting solar eclipse discovered
The previous record holder was Epsilon Aurigae, a giant star that is eclipsed by its companion every 27 years for periods ranging from 640 to 730 days.
Feb 21, 2016, 20:58 PM ISTHow secret cancer allies help disease spread
Increasing evidence suggests that fibroblasts near growing tumors are actively assisting cancer cells in spreading locally and metastasizing elsewhere.
Dec 14, 2015, 09:20 AM IST