Brain size area in women, corresponding to spatial versus language specializations. Small studies have attempted to link brain volume with functional measures such as P300 auditory evoked potentials but finding no association. Studies attempting to related sibling differences in IQ to differences in brain volume are hampered by relatively small sample sizes and the noisy nature of such difference scores, yielding weak evidence for cross-trait cross-sib correlations. The largest brain is that of the sperm whale, weighing about , and killer whales, weighing about . An elephant's brain weighs just over and a bottlenose dolphin's . Brain size tends to vary according
Red Earth, White Lies the greatest brain that our race has produced." Gordin concludes Deloria's rejection of the Bering land bridge and "attack on any affinity between Native tradition and Western culture and science" was derived from Velikovskian catastrophism, though Velikovsky himself rejected any hint of creationism. Red Earth, White Lies Red Earth, White Lies: Native Americans and the Myth of Scientific Fact is a book by Native American author Vine Deloria, originally published in 1995. The book's central theme is to criticize the scientific consensus which has, in his words, created "a largely fictional scenario describing prehistoric North America". The book's particular focus