If you could redesign the human being from scratch, what would you insist on?

360 deg vision. Perfect hearing. Haemaphrodites. Wings. Opposable thumbs still. Long tail. Vegetarian. Perfect sense of smell. Multiple languages - all species. Lizard feet to climb walls. Tough skin. Cameleon camouflage. Shell. Able to be submerged underwater for hours on end. Borne from eggs & Hormoneless!