{"product_id":"kleibers-three-quarters-plate-099-physics-poster","title":"Kleiber's Three-Quarters – Plate 099 Physics Poster","description":"\u003cp\u003ePlate 99 speaks for itself: \u003cem\u003e“An elephant burns less per gram than a mouse.”\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eAcross mammals, basal metabolic rate grows roughly as body mass to the three-quarters power. So the rate per kilogram falls as animals get bigger.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eB = B₀ M^(3\/4)\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eB: basal metabolic rate, W (quoted in kcal\/day)\u003c\/li\u003e\n\u003cli\u003eB₀: normalisation, kcal day⁻¹ kg⁻³ᐟ⁴\u003c\/li\u003e\n\u003cli\u003eM: body mass, kg\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eB₀ ≈ 70 kcal\/day per kg^(3\/4). So per-mass rate falls as M^(−1\/4).\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHonest caveat:\u003c\/em\u003e The exponent 3\/4 is empirical; fits across groups give values from about 0.67 to 0.75.\u003c\/p\u003e\u003ch3\u003eSources\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eM. Kleiber, Hilgardia 6, 315 (1932).\u003c\/li\u003e\n\u003cli\u003eC. R. White, R. S. Seymour, PNAS 100, 4046 (2003).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOn the poster\u003c\/h3\u003e\u003cp\u003ePlate 099, “Kleiber's Three-Quarters”: the pixel-art plate with its slogan “An elephant burns less per gram than a mouse.”, the key equation and the facts panel shown above. Pixelated Physics. Physics. Personified.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"9'' x 12\" (Vertical) \/ Matte","offer_id":50962755354727,"sku":"32765336652498315766","price":19.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Fine Art","offer_id":50962755387495,"sku":"16112366764482074880","price":29.99,"currency_code":"USD","in_stock":true},{"title":"9'' x 12\" (Vertical) \/ Semi Glossy","offer_id":50962755420263,"sku":"29107828727088312062","price":19.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Fine Art","offer_id":50962755453031,"sku":"18862409416387375086","price":44.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Semi Glossy","offer_id":50962755485799,"sku":"17935484947925144057","price":29.99,"currency_code":"USD","in_stock":true},{"title":"18″ x 24″ (Vertical) \/ Matte","offer_id":50962755518567,"sku":"25262666441175330223","price":29.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Matte","offer_id":50962755551335,"sku":"55919666484451074155","price":69.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Fine Art","offer_id":50962755584103,"sku":"20125825059470965944","price":119.99,"currency_code":"USD","in_stock":true},{"title":"36'' x 48\" (Vertical) \/ Semi Glossy","offer_id":50962755616871,"sku":"17976234618471174485","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/17165678872160665951_2048.jpg?v=1793734831","url":"https:\/\/pixelatedphysics.com\/hi\/products\/kleibers-three-quarters-plate-099-physics-poster","provider":"Pixelated Physics","version":"1.0","type":"link"}