Aug 31 - The genes of naked mole rats are being examined by British and South African scientists in a bid to understand the secrets of the hormone oxytocin. Basmah Fahim reports.

Aug 30 - Scientists uncover a new monkey species in the Amazonian jungles of Colombia but warn that it is near extinction -- only 250 exist. Tara Cleary reports.

Aug 27 - "Make It Right," an organization co-founded by actor Brad Pitt, builds energy-efficient and environmentally friendly houses in New Orleans' Lower Ninth Ward - a neighborhood decimated by Hurricane Katrina five years ago. Tara Cleary reports.

Aug 27 - Europe's indigenous eel population has decreased by 70 percent over the past 30 years with botanists blaming a virulent parasite in a species of Japanese eel imported for agricultural purposes in the early 1980's. Basmah Fahim reports.

Aug 23 - A group of British engineering students has reached the halfway point of a journey from one end of the Americas to the other in a converted sports car powered by electricity. Tara Cleary reports.

Aug 24 - China is to launch a pilot project in Beijing to test a concept vehicle which carries people above street level and lets traffic pass underneath in order to ease the increasing pressure of public transportation. Ben Gruber reports.

Aug 23 - An urban rooftop in New York City has been converted to a farm by a group which wants to show that fresh food can be produced in the most unlikely places. Tara Cleary reports.

Aug 20 - A solar-powered refrigerator is giving rural communities without electricity access to vaccines and medicines. The fridge stores power within ice which maintains temperatures overnight. Stuart McDill reports.

Aug 16 - Thermographic infrared maps are providing Belgians with a color-coded, birds-eye view of their home energy consumption levels. It's an idea aimed at spurring community involvement in saving energy. Basmah Fahim reports.

Aug 13 - Archeologists in Guatemala have discovered a Mayan king's tomb packed with a well-preserved hoard of carvings, ceramics and children's bones that cast new light on the vanished civilization. Tara Cleary reports.