Let's take a look at what's going on in 'The World Now'.
At least 20 civilians are presume to be dead, after the Syrian army on Wednesday attacked residential areas of rebel-led Ariha city.
The attack on a busy market place in the area also killed children, as well as a teacher on their way to school.
The attack comes as at least 14 people were killed and two other injured, in a deadly bomb attack on an army bus in the Syrian capital of Damascus on Wednesday.
The explosion took place during early morning rush hour, as the army bus exploded while passing the President Bridge in central Damascus.
Two bomb explosions were reported, while a bomb squad soon defused a third device installed on the bus.
After the blast, Assistant Foreign and Expatriates Minister of Syria, Ayman Sousan, said the attack was an expression of the terrorists' despair over the failure of their plots in Syria, adding that the Syrian government will continue to fight terrorism until it's completely eliminated.
Mount Aso, a popular Japanese tourist destination,. sent plumes of ash 3.5 kilometers high into the air, when it erupted just before noon on Wednesday.
According to the Japan Meteorological Agency, there were no immediate reports of casualties or damage.
However,.. the agency raised the alert level for the volcano to three, on a scale of five, warning citizens to keep away due to risks of large falling rocks and pyroclastic flows within a radius of one kilometer around the mountain's Nakadake crater.
The head of Japan's volcanic observation division also warned that Mount Aso could erupt again.
Mount Aso also saw a minor eruption in 2019, while the country's worst volcanic disaster in nearly 90 years killed 63 people on Mount Ontake in 2014.
For the first time, a kidney from a pig has been transplanted successfully into a human without triggering immediate rejection from the recipient's immune system, in a major advancement that could potentially save lives due to the dire shortage of human organs for transplant.
The procedure was done at NYU Langone Health on Monday, and it involved a pig whose genes had been altered so that its tissue no longer contained a molecule known to trigger immediate rejection.
"So basically what we did was we transplanted a kidney from a genetically engineered pig that had the main molecule, that really defines the incompatibility of an organ between a pig and a human, knocked out. "
The recipient of the organ was a brain-dead patient with signs of kidney dysfunction, whose family gave consent to the experimental surgery before being taken off of life support.
In the U.S. over 100-thousand people are currently waiting for organ transplants, including 90-thousand awaiting a kidney.
Lee Seung-jae, Arirang News.