The virus that causes Covid-19 can survive on banknotes, glass and stainless steel for up to 28 days, much longer than the flu virus, Australian researchers said Tuesday, highlighting the need for frequent cleaning and handwashing.

The world's sea floor is littered with an estimated 14 million tonnes of microplastics, broken down from the masses of rubbish entering the oceans every year, according to Australia's national science agency.

The latest search for the Boeing 777, which vanished in March 2014 carrying 239 people, kicked off on Monday run by private exploration firm Ocean Infinity.

Australia's main scientific agency said it believed with "unprecedented precision and certainty" that a missing Malaysia Airlines aircraft crashed into the sea northeast of an area scoured in a fruitless two-year underwater search.

Let me start by saying I admire Tony Romo’s spunk.