There are plants almost everywhere on our planet. They may grow from a seed or a bulb but all have four important parts. Flowers Flowers are often brightly coloured and have petals. Flowers are ...

There's nothing mystical or complicated about a sextant. All it is is a device that measures the angle between two objects. The sextant makes use of two mirrors. With this sextant, one of the ...

These also fulfill critical functions. Running through parts of the brain are a dozen pairs of cranial nerves, which link the brain directly to muscles and sense organs in the head, neck ...

There's no way around it: Celestial navigation using a sextant is a complex and involved process that involves a fair amount of calculating, correcting, referring to tables, knowledge of the ...

You use the sextant to determine the angle between the horizon and a celestial body to determine your latitude. But the ...