Archive: 06/11/2013

Poorest WTO members win new patent-rule waiver

The globe's poorest nations have won an eight-year extension of a waiver on intellectual property rules, but still need to hold talks on the vexed issue of pharmaceutical patents, World Trade Organization officials said Tuesday.

Jun 11, 2013 4.5 / 5 (2) 0

Black hole naps amidst stellar chaos

(Phys.org) —Nearly a decade ago, NASA's Chandra X-ray Observatory caught signs of what appeared to be a black hole snacking on gas at the middle of the nearby Sculptor galaxy. Now, NASA's Nuclear Spectroscopic ...

Jun 11, 2013 3.7 / 5 (7) 0 | with audio podcast

Do parasites upset food web theory?

Parasites comprise a large proportion of the diversity of species in every ecosystem. Despite this, they are rarely included in analyses or models of food webs. If parasites play different roles from other ...

Jun 11, 2013 5 / 5 (3) 0 | with audio podcast