Many have roughly the same weight, markings and finishes as real guns. But these look-alike replica guns aren't federally required to have any clear indicators that they don't shoot bullets.

Finnish Model L-35 pistol (above) chambered for 9 mm Luger (Parabellum). This article, “Lahti’s Finnish Pistols,” appeared originally in the August 1969 issue of The American Rifleman.

Imagine a gene that promotes sexual reproduction, such as by making it more likely that a plant will reproduce via sexually produced seeds as opposed to some asexual process (e.g., budding ...

This story appears in the November 2016 issue of National Geographic magazine. In sexual reproduction—the way most life-forms procreate—each parent provides half an offspring’s chromosomes.

For most living things, sexual reproduction has proven the best overall strategy to perpetuate a species in the rough-and-tumble, unpredictable fray of natural selection. With two partners ...

In fact, scientists have been asking for decades, why does sexual reproduction even exist? If the goal of life is spreading one's genes far and wide, asexually reproducing organisms seem to have ...

Possessing one of the most impressive physiques in the history of sports-entertainment and a repertoire of powerful maneuvers, Lex Luger deserved to be called “The Total Package.” Making his ...

Instead, these plants produce an identical copy of themselves. This type of reproduction is known as asexual reproduction. Plants can reproduce asexually in a number of different ways. Some plants ...

What Is In Vitro Fertilization? In vitro fertilization (IVF) is a type of fertility treatment. IVF involves taking eggs removed from the ovaries, fertilizing them with sperm to create an embryo ...

How is the same process responsible for genetic recombination and diversity also the cause of aneuploidy? Understanding the steps of meiosis is essential to learning how errors occur. Researchers ...

This milestone opens the door to sexless reproduction in mammals, something that was thought impossible to achieve, and paved the way for possible experiments on humans. Cover of A Happy World by ...