Australian scientists have taken a step in the "right direction" to creating a vaccine for the deadly HIV virus.

An earthquake measuring 5.3 on the Richter scale struck Japan's Ibaraki prefecture on Monday, the weather agency said.

A strong quake that hit northern Greece early on Saturday was also felt across Southern Bulgaria, local media outlets report.

Winds gusting to hurricane force left nearly 70 000 homes in western and northwestern France without power on Sunday, the national electricity grid Enedis said.

An earthquake, measuring 4.1 on the Richter scale, occurred in Tarakan, Indonesia, on Saturday, according to Bernama New Agency.

Climate change is disrupting the sensory systems of fish and can even make them swim towards predators, instead of away from them, say researchers.

Now, with lead sulfide and zinc ore reserves seemingly exhausted, Kabwe, the capital of Zambia's Central Province, is a ghost town, local people say.

Inexpensive and energy-efficient lithium-ion batteries from fossilised remains of single-celled algae called diatoms can soon power electric vehicles, a team of researcher has found.

Farmers brave the cool morning dew to collect oranges and passionfruit from their farms in Miwani village. Here, a narrow footpath leads to the homestead of Milcah Maingi, a 52-year-old farmer.

Shoes made from old tires by disabled artisans in Ghana, roads built from recycled plastic in Kenya, natural fertilizers made from water hyacinths in Burkina Faso.