Developed Calculus -
<u><em>Gottfried Wilhelm Leibniz
</em></u>
Around the 1670s, two great men — Sir Isaac Newton of England and Gottfried Wilhelm Leibniz of Germany — discovered and developed calculus independently from each other.
Who was the first to study the heavens through a telescope -
<u><em>Galileo Galilei
</em></u>
Galileo Galilei (1564-1642) was part of a small group of astronomers who turned telescopes towards the heavens.
Who developed a model of the universe with the Sun at the center
<u><em>Nicolai Copernicus
</em></u>
The Earth-centered Universe of Aristotle and Ptolemy held sway on Western thinking for almost 2000 years. Then, in the 16th century a "new" (but remember Aristarchus) idea was proposed by the Polish astronomer Nicolai Copernicus (1473-1543).
<span>The cortex is the outermost layer of brain cells. Thinking and voluntary movements begin in the cortex.
</span><span>The occipital lobes contain the brain's visual processing system.</span>
The color may help it to blend in and avoid being eaten by predators and survive long enough to reproduce.
Anaerobic respiration was very weak because the earth had no harmful chemicals in the air at the time