This structure has two helical chains each coiled round the same axis (see diagram). We have made the usual chemical assumptions, namely, that each chain consists of phosphate di-ester groups ...

WASHINGTON (AP) — Thanks to a mouse watching clips from “The Matrix,” scientists have created the largest functional map of a brain to date – a diagram of the wiring connecting 84,000 ...

You can see how these interactions structure our whole idea of time ... the moon depends on the sum of these forces. Look at this diagram of the moon on opposite sides of the Earth: On the ...