Modified Gravity vs Particle Dark Matter. The Plot Thickens.

They sit in caves, deep underground. Surrounded by lead, protected from noise, shielded......

The concordance model strikes back

Two weeks ago, I summarized a recent paper by McGaugh et al who reported a correlation......

Dear Dr B: Where does dark energy come from and what�s it made of?

�As the universe expands and dark energy remains constant (negative pressure) then......

What if dark matter is not a particle? The second wind of modified gravity.

Another year has passed and Vera Rubin was not awarded the Nobel Prize. She�s 88......

Demystifying Spin 1/2

Theoretical physics is the most math-heavy of disciplines. We don�t use all that......