48K views · 1.3K reactions | � When should we use 'the', 'a', 'an' and the zero article? Definite and indefinite articles can be quite � confusing, especially if you don't have them in your first language. In this class, � George helped you level up your English by showing you when to use these articles � �  Watch the lesson and then download a free worksheet here  https://bit.ly/3RzZLMT | BBC Learning English | Facebook

2.9K views · 37 reactions | Sixteen crew members have just returned from a zero-gravity test flight, conducting experiments on board to make space travel more accessible. Watch the full episode at www.skynews.com.au/flash | Sky News Australia | Facebook

Two taikonauts recently showed students the effect a zero-gravity environment can have on experiments, using an effervescent tablet, some blue dye and a water ball. China's Shenzhou-13 crew members Zhai Zhigang, Wang Yaping and Ye Guangfu gave a livestream science lecture to students on Earth from the space station's Tianhe core module on Thursday afternoon. Check out the video for more. #SpaceChina | CGTN