Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in the universe. A team from NTNU suggests that colossal winds from ...

In a new study, scientists have shown that chemical receptors that plants use to recognize nitrogen-fixing bacteria have developed the same function independently on at least three separate occasions ...

Low nitrogen availability is the number one limitation to plant growth in most ecosystems. Farmers compensate by adding nitrogen-rich fertilizers to their crops, which is expensive and harmful to the ...

The biological study of species offers no equivalent to such transmutation. An individual which belongs to a given species will always belong to that species, come what may. And assigning an ...

Could black holes help explain the origins of high-energy cosmic radiation? The universe is filled with many forms of radiation and particles that can be detected here on Earth. Among them are photons ...

For example, the atomic number of chlorine is 17. Every chlorine atom has 17 protons and 17 electrons. It has 17 positive charges and 17 negative charges, meaning that it is neutral overall. Atoms of ...