Biology

1960s classroom, white male teacher in suit stands at chalkboard…

Transport and inventory of farm produce, man takes notes on clipboard,…

Gradine Bartlett Pears boxes on tractors, pears in cases, pears in hand…

Bartlett Sport “Davy Red” Placerville. Drying fruit, tasting, picking.…

Fireblight Auburn shirtless man picking fruit. Pears and tree unhealthy…

Boy, accompanied by dog, walks with shovel and digs up some leaves. he…

A green spotted lizard, a dried up seed or pod, a trail of a snake in…

Two scientists in lab coats work on a model of the DNA double helix…

The growth of spores and antibiotics derived from fungus. The role of…

Man in top hat watches boat. Scuba divers descend. Solitary scuba diver…

Clip begins with fish swimming around in water. A scuba diver in a 70s…

A pregnant dog lies down. Two puppies are born. The mother dog licks…