The 'Double Magic' Atom Is a Physics Fairy Tale That Continues to Baffle Scientists
In the case of lead-208—the heaviest stable isotope known so far—a team of researchers led by physicist Jack Henderson ...
Human-derived food accounts for more than a third of the diet of urban foxes, a new study suggests
Scientists at Nottingham Trent University found that food from people—directly or indirectly—contributes an estimated 35% of ...
New method tracks contaminant accumulation in Arctic marine mammals
A new method of tracking the dietary habits and contaminant exposure of animals in Arctic marine ecosystems is providing ...
technologynetworks19d
The Role of Stable Isotope Tracers in Skeletal Muscle Metabolism Research
In general, the lighter isotope of an element tends to be more abundant in nature – for example, 98.9% of the Earth’s carbon is 12 C, with 13 C making up the remaining 1.1%. Generally, stable isotope ...
EL PAÍS English2d
Study reveals the mystery of the ‘lost’ arctic owls that appeared in northern Spain three years ago
Analysis of the isotopes of their feathers rules out the possibility that they were born in captivity and suggests that they ...
Earth.com2d
How an elephant's teeth can help us track animal movements
Scientists used strontium isotopes in Misha the elephant’s teeth to track her movements, revealing a method to study ancient ...
Earth.com14d
Nitrogen was plentiful for early life on Earth
New research reveals that hydrothermal vents provided early Earth with abundant nitrogen, challenging previous theories.