In recorded history, people believed that organisms 4.(create). Few people believed that living things changed. What process could make such a change possible?These were some of the 5.(question) Darwin asked himself over years of research on botany, zoology and geology. He was not the first...
The Bragg effect is also one of the reasons why most novelty holograms appear green even though they were created with a red laser. Multiple Images The famous hologram "The Kiss" shows a sequence of similar, stationary images. Your eye sees many frames simultaneously, and your brain ...
This means that, when a bacteria cell splits, both halves of the split are identical -- they contain exactly the same DNA. The offspring is a clone of the parent. As explained in How Human Reproduction Works, higher organisms like plants, insects and animals reproduce sexually, and this ...
While every geyser operates in fundamentally the same way, all geysers are not created equal. In this section, we'll explore some of the world's most famous geysers and what makes them stand out above the rest. Geysir:This geyser, located in Iceland's Haukadalur valley, was first discover...
In the 1940s, breath alcohol testing devices were first developed for use by police. In 1954, Dr. Robert Borkenstein of the Indiana State Police invented the Breathalyzer, one type of breath alcohol testing device used by law enforcement agencies today. Let's take a look at what these test...
In 1980, Bruce Thompson of Caroma Industries created the first two-button flushing system, a convenient method of manually selecting the water volume of each flush -- a half flush for liquid waste and a full flush for solid waste -- with the push of a button [source: Biotechnology ...
who was principal investigator on the observations. “Even though it’s lost a lot of its gas, it’s got enough left to keep forming new stars. So new star-forming regions can still be created. A smaller galaxy wouldn’t have lasted – there would be no gas left, just a collection ...
What is gastrulation? How are the first two germ layers formed during gastrulation? What are these germ layers?Embryo:The embryo is the initial stage of the development of multicellular organisms. Embryos are formed as a result of sexual reproduction that begins...
So aquaculture is the fastest-growing food sector globally. And within aquaculture, shellfish farming, (particularly shellfish such as mussels and oysters), is considered to be the most environmentally-friendly, sustainable and ethical, given that shellfish are the most basic of organisms. They’...
It honestly wasn’t rocket science, we basically asked, “are there probiotic organisms or enzymes that can counter the bad guys that we were seeing in the gut?” We worked with different manufacturers and we came up with a formulation that would work. What was completely cool about the ...