When summer comes, ice-cream is the most popular food for all ages of people. It's clean and fun to make it at home. Do you know how to make ice-cream? To make good ice-cream is very easy. Here is the way. First, take out two eggs and then take the yolks(蛋黄) out of the...
The process of glaciation and deglaciation formed the Great Lakes in North American during the Ice Ages. Some scientists believe that ice ages similar to those of the past will occur, but they disagree on when this will happen. Other scientists think that global wanning will occur instead, ...
A great gift idea for ages 6 and up. Santa Keyring AU $9. 99 Ho, ho, ho! Kids and fans of the festive season will love this LEGO Santa Keyring. It easily attaches to keys, bags, backpacks and more. A great...
Endurance became stuck in the ice as we approached Antarctica. The ice froze around us and we were well and truly stuck! We saw the ship get crushed by the ice. And when the ship sank, our hearts sank with it. 这段路程并不轻松。正当我们接近南极时,“坚忍”号被海土的浮冰卡住了。周围...
The same "Levallois generalization" seems to have started after the Holsteinian interglacial and before the Drenthe ice advance. New radiometric dating for the Holsteinian (now around 300 ka) and Drenthe (now around 150 ka) indicates the ages for some early Middle Paleolithic assemblages to be...
Take making ice as an example. China didn’t use R507, a common material to make ice, because it isn’t friendly enough to the environment. Through 18 months’ hard work, China independently developed the CO₂ direct cooling technology. A net of tubes runs under the ice. High-pressure ...
started to use the word. Yes, I replied, they certainly are plush, and so are the ice rink and the costumes of the skaters, aren't they? My friend's mother was very polite to correct me, but I could tell from her5.expression that I had not got the word quite right.Often we can...
The Science Museum (London, the UK) is interesting for people of all ages. It’s free to enter and open from 10 a.m. to 6 p.m. You can talk and even operate machines there. You can do a lot of physics experiments in the Launchpad. You can also learn about what machines were ...
Or this: You keep seeing headlines about melting ice caps — that the Arctic Ocean may be ice-free by 2050 — and you wonder, fleetingly, if you will outlive the polar bears. You need more information, so where do you turn? Young people, increasingly, look to social media as t...
cells from the tumor. I was sedated, but my wife, who was there, told me that when they viewed the cells under a microscope the doctors started crying because it turned out to be a very rare form of pancreatic cancer that is curable with surgery. I had the surgery and I’m fine ...