Objectives The use of economic evidence to prioritise vaccines and delivery strategies to optimally use in immunisation systems is becoming a global priority, especially in low- and middle-income ...

In this video, we break down how GPS determines your position using satellite timing, atomic clocks, and distance calculations. We also explore the real world sources of error, from atmospheric ...

ABSTRACT: We build upon previously proposed empirical equations involving the cosmic microwave background (CMB) temperature and extend the approach to include an empirical formulation for the ...

We consider the constraints from primordial Helium abundances on the constant of integration of the dark radiation term of the brane-world generalized Friedmann equation derived from the ...

Thank you for signing up! Did you know with a Digital Subscription to The Star, you can get unlimited access to the website including our premium content, as well as benefiting from fewer ads, loyalty ...