The Garmin Vivoactive 5 and Huawei Watch GT 5 series are solid-performing smartwatches. Discovering their differences is key ...

The circulatory system transports substances between the exchange surface and cells. It delivers oxygen and glucose to the tissues for respiration, which is the release of energy to cells.

There is no experimental paradigm to prove that the ATP is going there.” Instead, they measured the cells' respiration rate by tracking oxygen uptake. Futile cycles break down ATP, requiring increased ...

The chances of intelligent life emerging in our Universe -- and in any hypothetical ones beyond it -- can be estimated by a new theoretical model which has echoes of the famous Drake Equation. This ...

Inside cells, there exists an extensive system of canals known as the endoplasmic reticulum (ER), which consists of membrane-encased tubes that are partially broken down as needed—for instance in case ...

A novel theoretical model based on universal expansion and star formation suggests that our universe might not have the ...

This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order ...

The protein factories of our cells are much more diverse than we thought they were. Scientists have now shown that cancer cells can use these so-called ribosomes to boost their invisibility cloak ...