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Japanese engineering researchers say they have created a tiny electronic light the size of a firefly which rides waves of ultrasound, and could eventually figure in applications ranging from moving displays to projection mapping.

A woman who had a stroke while on a FaceTime video call with her sister, says the technology saved her life.

If you’ve been waiting for the right time to pick up the latest Apple Watch (and would prefer to save a few dollars in the process), you should check out Apple’s updated list of refurbished products.

Samsung Electronics Africa has announced the introduction of its latest addition to the Galaxy A series: the 2018 Galaxy A8+ unto the Ghanaian market.

Rangan Chatterjee is a GP and says he has seen plenty of evidence of the link between mental ill-health in youngsters and their use of social media. One 16 year-old boy was referred to him after he self-harmed and ended up in A&E.

"The first thought was to put him on anti-depressants but I chatted to him and it sounded like his use of social media was having a negative impact on his health."

So Dr Chatterjee suggested a simple solution - the teenager should attempt to wean himself off social media, restricting himself to just an hour before he went to bed. Over the course of a few weeks, he should extend this to two hours at night and two in the morning.

"He reported a significant improvement in his wellbeing and, after six months, I had a letter from his mother saying he was happier at school and integrated into the local community."

That and similar cases have led him to question the role social media plays in the lives of young people.

"Social media is having a negative impact on mental health," he said. "I do think it is a big problem and that we need some rules. How do we educate society to use technology so it helps us rather than harms us?"

US President Donald Trump has been the victim of a fake tweet which went viral overnight.

Back in the 90s, a deeply disturbing image surfaced on the nascent Internet: a lab mouse with something looking like a human ear grown on its back.

Mexican entrepreneurs designed the first national machine capable of recycling Styrofoam (expanded polystyrene) and transform it into a raw material used in the manufacture of transparent hard plastic.

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Scientists have discovered that a subsurface ocean on Enceladus could have existed for billions of years, providing plenty of time for microbial alien life to emerge and evolve.

There are many more Earth-like planets beyond our solar system than scientists previously realized, and that increases our chances of finding alien life of some kind.

You can’t go many days without someone talking about going to Mars. Just in the last few weeks: Elon Musk, CEO of SpaceX, laid out his plans to sell tickets to the red planet for $200,000; Dennis Muilenburg, CEO of Boeing, vowed to get there before Musk; and US president Barack Obama reiterated his plans to send humans to Mars by 2030.

Stargazers in parts of Africa have been treated to a spectacular “ring of fire” in the sky as the sun was almost – but not completely – eclipsed. An annular eclipse happens when the moon is farther away from the Earth than during a total eclipse.

Ghanaians will today have another rare opportunity to view a partial solar eclipse which is expected to last for about three hours. According to experts, the phenomenon will occur between 6:13am to 9am today. “We are going to have something we call partial eclipse meaning that not the entire sun will be blocked by the moon.

Paris (AFP) - Stargazers in south and central Africa will be treated to a spectacular solar eclipse Thursday when the Moon wanders into view to make the Sun appear as a "ring of fire", astronomers say.