You can find the great Einstein's manuscripts and infos here.

Manuscript in Einstein's handwriting (dated December 1924), with editorial markup. It was evidently used by Einstein to correct the page proofs in early 1925 and then left behind in Leiden. The publication is in the proceedings of the Berlin Academy of Sciences.

More Einstein stuffs: Einstein Archive

"Scientists in Australia's tropical north are collecting blood from crocodiles in the hope of developing a powerful antibiotic for humans, after tests showed that the reptile's immune system kills the HIV virus.

The crocodile's immune system is much more powerful than that of humans, preventing life-threatening infections after savage territorial fights which often leave the animals with gaping wounds and missing limbs."

Read more: Crocodile blood may yield powerful new antibiotics

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