Under ideal conditions, sperm lives for days after ejaculation from intercourse. This article examines sperm motility and how ...

Nelson Aguilar is an LA-based tech how-to writer and graduate of UCLA. With more than a decade of experience, he covers Apple and Google and writes on iPhone and Android features, privacy and ...

Reproductive cells—sperm and eggs—contain half the number of chromosomes found in other body cells, a reduction critical for reproduction. When a sperm meets an egg, the resulting offspring ...

on the site of the biggest coal generator – has compared the country’s long and stringy grid to a “pearl necklace.” Andrew Tang, the US-based vice president of Finnish owned Wärtsilä ...

Additionally, the high levels of cosmic radiation encountered in space can damage DNA in both sperm and eggs, increasing the risk of genetic mutations and abnormalities. As Wotring explains ...

The best video game Easter Eggs are worth hunting down. There's a smug sense of satisfaction in picking up cheeky cross-media references and nods that others might not. With the blink-and-you'll ...

Healthy semen looks off-white or slightly yellow, has a consistency similar to raw egg whites, and smells like ammonia or bleach. Occasionally, it may contain jelly-like clumps, which is perfectly ...

During egg cell development (oogenesis), a germ cell divides into multiple daughter cells. As part of a process that's still something of a mystery, one cell becomes the egg cell, or oocyte, shown ...

The expansion of agricultural activities led to the need for the intensive use of pesticides, which allowed large-scale food production. Worldwide reports of intoxication and deleterious effects on ...

It produces the female egg cells ... as tunnels for the ova (egg cells) to travel from the ovaries to the uterus. Conception, the fertilization of an egg by a sperm, normally occurs in the ...