How dry seasons helped create the first settled villages

Dry seasons helped create settled villages

After the last ice age, longer dry seasons in the Levant favored plants whose seeds could be stored. Hunter-gatherers began living in permanent villages, and people were planting wild crops before those plants became fully domesticated.

Earth's magnetic bubble is much longer on one side

~10 vs >200 Earth radii

On the side facing the Sun, Earth's magnetic region reaches about 10 Earth radii into space. On the other side, the solar wind stretches it into a long tail more than 200 Earth radii long. Earth's magnetic surroundings are therefore far from symmetrical.

Greek writing added letters for vowel sounds

The Phoenician writing system used letters for consonants, but not vowels. When the Greeks adapted it, they reused some letters for vowel sounds. Greek became the earliest alphabet in the strict sense: a writing system with letters for both vowels and consonants.

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How dry seasons helped create the first settled villages

Dry seasons helped create settled villages

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