Cleaning dogs’ teeth naturally is an important part of maintaining overall dog health. As humans, we’ve gotten used to cleaning our teeth with toothpastes full of chemicals. But now consumers are starting to demand more natural products. Toothpaste with artificial chemicals are not so bad when you can spit them out – but what about [...]

Read full story

It seems that the hydrogen bond has a satellite! According to a recent study published in the journal Nature Chemical Biology, another non-covalent interactions in proteins can help them to bend and maintain three-dimensional structure. Academics concerned with the problem of protein, may need to include this interaction in their calculations.

Read full story

Contrary to popular belief – the effects of moderate global warming may not be all bad. For the first time ever, a four year U.S. national assessment has examined the regional impacts of global warming revealing everything from potentially severe droughts to larger crop yields for some farmers. The report, Climate Changes in the United [...]

Read full story

You remember Velociraptor: it’s the smallish, but deadly meat-eater featured prominently in Jurassic Park and its two sequels. In the movies, this predator is portrayed as fierce, and cunning — a dinosaur as smart as a dolphin or chimpanzee. But according a prominent paleontologist, you really can’t believe everything you see on the big screen. [...]

Read full story

CONCEPT This module investigates cell structure, function, processes and divisions. The microscope is introduced and used for investigation. Appropriate technology will be used to collect and analyze data.

Read full story

Genetics topics in a Brief The first panoramic views of the human genetic landscape have revealed a wealth of information and some early surprises. Much remains to be deciphered in this vast trove of information; as the consortium of HGP scientists concluded in their seminal paper, “. . .the more we learn about the human [...]

Read full story

A Brief Overview Though surprising to many, the Human Genome Project (HGP) traces its roots to an initiative in the U.S. Department of Energy (DOE). Since 1947, DOE and its predecessor agencies have been charged by Congress with developing new energy resources and technologies and pursuing a deeper understanding of potential health and environmental risks [...]

Read full story

Cells are the fundamental working units of every living system. All the instructions needed to direct their activities are contained within the chemical DNA (deoxyribonucleic acid). DNA from all organisms is made up of the same chemical and physical components. The DNA sequence is the particular side-by-side arrangement of bases along the DNA strand (e.g., [...]

Read full story

Not long from now, doctors may be able to predict with pinpoint accuracy what risk you’re at for disease, repair most of the disease’s damage at the molecular level and treat the rest of the damage with side-effect-free drugs designed just for your body. A few years ago, scientists would have been laughed out of [...]

Read full story

It can be an annoying experience going to a zoo and waiting for minutes on end to see an animal that you’re told is just hiding. But maybe it’s hiding for a reason. It hasn’t got anything to do with shyness either. It’s a simple fact that a lot of animals are nocturnal, and by [...]

Read full story