Asteroids that orbit close to the Earth inevitably cause us some anxiety due to the even remote possibility of a collision.

Matter is made up of small particles called atoms. Atoms can exist on their own or together as molecules. Atoms are very small and around 100,000,000 of them end to end would measure 1 centimetre ...

This study identified key structural components of the sodium ion pathways in the stator of the bacterial flagellar motor. It also uncovered some of the structural changes that the stator undergoes as ...

Eco-Friendly vehicles have a minimum EPA-estimated mileage of 35 mpg combined and include hybrids, diesels and even a few fuel-sipping gas-only cars. May require specific trim level and/or ...

Microbiology is the study of bacteria, fungi, algae, protozoa and viruses, and is of immense importance in relation to the environment, agriculture and food, biomedical sciences and biotechnology.

Free body diagrams do not need to be drawn to scale but it can sometimes be useful if they are. It is important to label each arrow to show the magnitude of the force it represents. The type of ...

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We are streamlining some climate pages including removal of the Model Summary. From 10 December our climate information is available on the Southern Hemisphere monitoring and Southern Hemisphere ...