thatlightcandamageoureyesundercertaincircumstances,there?snoscientificevidencesuggestingthatbluelightisharmfultooureyes.But manypeoplestillthinkitis,whichiswhybluelight-blockingglassesaresopopular.Sodothe glasseswork? “Everyoneisveryconcernedthatbluelight maybecausingdamagetotheeye,butthere?sno evidencethatitmaybeca...
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If you find yourself scratching your head with the latest slime obsession, keep in mind that making slime is actually science! Slime is chemistry! Polymers and non-Newtonian fluids can be a little confusing for young kids, but our short lesson in the science of slime below is a perfect way...
Anyway, grandpa is now an internet star — two minutes of fame! I promise not to let it go to my head. But I will make sure my 2-year-old grandson sees it on his tablet.1. What do the underlined words “hit home for me” mean in paragraph 2? A.Provided shelter for me. B.Be...
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Cheng’s husband is 35 years old. He always supports Cheng’s choice. He has also served as a teacher in Poyang over the years. “We should help the children to see further and dream bigger.” Cheng says. 1. Did Cheng Feng work as a teacher in a city at first?
In the present perfect tense, the main verbs always use the auxiliary verbs (helper verbs) has or have. The main verb takes a participle form, specifically the past participle. The past participle is often the same form as the simple past form of the verb unless it’s an irregular verb ...
Maybe someone from HR mentioned that term, or you saw that in a job ad? These skills are all the rage now. But what are they, exactly? Who needs them, and why is that so? Learn the importance of strong interpersonal skills now. This article will show you: What interpersonal skills ...
Instantly improve your English with 3 easy words 622019-12 2 Say what you mean Simple English words that learners often say incorrectly 632019-12 3 Sound more natural in English Learn and practice 5 FRONT VOWELS 642019-12 4 How to talk about your job in English 10 Key Verbs 442019-12 5 ...
The device uses light to alter the density of resin (树脂), changing the material from a liquid to a solid in order to shape the desired object. Starting the heart One of the first sci-fi novels, Frankenstein by Mary Shelley has had a huge impact on science. Earl Bakken, the inventor...