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It’s an underdeveloped joke: “Dangerous Animals” is a nightmare about meeting the mansplainer from hell.

Adam Dalton, who lives by the motto "no hands, no limits", has underdeveloped arms, no hands and only the use of his left leg.

A parasitic twin is an underdeveloped conjoined twin that relies entirely on the host twin for survival.

Cal Fire said the new maps would largely leave these weaknesses unaddressed, given that newer scientific approaches to address the problem remain too underdeveloped and experimental.

“Their brains are underdeveloped and overexposed,” Grant said, “so parents also have to be very mindful.”