On the spot drug delivery with light-controlled organic microswimmers

Promising results of Phase 1 drug trial for HIV patients

Nearly 1,000 mysterious strands revealed in Milky Way’s center - Stretching up to 150 light years long, the one-dimensional strands (or filaments) are found in pairs and clusters, often stacked equally spaced, side by side like strings on a harp

The speed of light visualized using planets. Kinda slow if you ask me. Makes clear why intergalactic travel is out of reach