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History of wheat farming – West Asia

By |2018-05-07T16:17:58+00:00June 23rd, 2017|Food, West Asia|

Wheat history: a field of wheat Did early humans eat wheat? Ever since people left Africa for West Asia, about 70,000 BC, they have probably always eaten wheat, which tastes good and is also a good source of carbohydrates and not a bad source of protein. Wheat is native to West Asia, so people [...]

History of Lentils – West Asian Food

By |2018-04-16T12:29:33+00:00June 22nd, 2017|Food, West Asia|

Brown lentils Lentils are a type of bean, native to West Asia. They grow on low bushes, and can do well with very little water. The lentils themselves are the seeds of the plant. People have surely been gathering and eating lentils since they first came to West Asia, about 60,000 years ago. [...]

History of eggs – Where did eggs come from?

By |2018-04-19T15:41:29+00:00June 22nd, 2017|Food, Southeast Asia|

History of eggs - A basket of eggs People have been eating eggs since there first started to be people, about six million years ago. Eggs have a lot of protein in them, and they don't fight back - you can get them just by climbing to where the nest is and picking [...]

Where do almonds come from? West Asian food

By |2018-04-16T12:29:37+00:00June 20th, 2017|Food|

Almonds drying after harvest (Southern Spain) Wild almonds are related to peaches and apples. Almonds probably evolved about the same time, around five million years ago. Like peach trees and apple trees, almond trees made cyanide poison. That kept sheep and goats and rabbits from eating their fruit. Peach trees grew in East Asia (China), [...]

History of Cheese – Central Asia

By |2018-04-19T09:26:55+00:00June 12th, 2017|Central Asia, Food|

History of cheese: There are lots of different kinds of cheese. How to preserve milk? If you don't have a refrigerator, there's no way to keep milk from going bad within a few hours. Even WITH a refrigerator milk goes bad in about a week. But ancient cows and sheep and goats only [...]

How to make pemmican – Native American project

By |2018-04-07T17:05:20+00:00June 11th, 2017|Food, Native American|

A Native woman making pemmican Our word "pemmican" comes from the Cree word "pimikan". Pemmican was a sort of energy bar: not great food, but a lot of fat and sugar and protein to keep you going in winter or if you were traveling or working hard. This is how you make pemmican: First [...]

What is a protein? Organic chemistry

By |2017-06-02T23:46:07+00:00June 2nd, 2017|Biology, Chemistry|

Proteins are a type of molecule made mainly out of hydrogen and carbon atoms. They are combinations of smaller molecules called amino acids. The first amino acids probably developed into proteins more than four billion years ago on Earth, possibly with the help of ribonucleic acid, or RNA. We don't know whether this process has happened on [...]

What is nitrogen? Atoms, Elements, Chemistry

By |2018-04-24T14:46:22+00:00June 2nd, 2017|Chemistry|

Diagram of a nitrogen atom Inside a red giant star, the star smashes lighter atoms together. Smashing atoms gets the star energy to burn, and also leaves extra heavier atoms. Nitrogen is one of these heavier atoms, left over when a star smashes together carbon atoms. Nitrogen is not very heavy, though, and a [...]