1 00:00:07,034 --> 00:00:09,594 Before empires and royalty, 2 00:00:09,594 --> 00:00:11,764 before pottery and writing, 3 00:00:11,764 --> 00:00:14,304 before metal tools and weapons – 4 00:00:14,304 --> 00:00:16,094 there was cheese. 5 00:00:16,094 --> 00:00:18,974 As early as 8000 BCE, 6 00:00:18,974 --> 00:00:23,044 the earliest Neolithic farmers living in the Fertile Crescent 7 00:00:23,044 --> 00:00:25,474 began a legacy of cheesemaking 8 00:00:25,474 --> 00:00:29,184 almost as old as civilization itself. 9 00:00:29,184 --> 00:00:33,200 The rise of agriculture led to domesticated sheep and goats, 10 00:00:33,200 --> 00:00:36,110 which ancient farmers harvested for milk. 11 00:00:36,110 --> 00:00:39,540 But when left in warm conditions for several hours, 12 00:00:39,540 --> 00:00:42,160 that fresh milk began to sour. 13 00:00:42,160 --> 00:00:47,740 Its lactic acids caused proteins to coagulate, binding into soft clumps. 14 00:00:47,740 --> 00:00:50,520 Upon discovering this strange transformation, 15 00:00:50,520 --> 00:00:53,150 the farmers drained the remaining liquid – 16 00:00:53,150 --> 00:00:54,760 later named whey – 17 00:00:54,760 --> 00:01:01,510 and found the yellowish globs could be eaten fresh as a soft, spreadable meal. 18 00:01:01,512 --> 00:01:05,942 These clumps, or curds, became the building blocks of cheese, 19 00:01:05,942 --> 00:01:10,602 which would eventually be aged, pressed, ripened, and whizzed 20 00:01:10,602 --> 00:01:15,122 into a diverse cornucopia of dairy delights. 21 00:01:15,122 --> 00:01:19,728 The discovery of cheese gave Neolithic people an enormous survival advantage. 22 00:01:19,728 --> 00:01:24,468 Milk was rich with essential proteins, fats, and minerals. 23 00:01:24,468 --> 00:01:28,148 But it also contained high quantities of lactose – 24 00:01:28,148 --> 00:01:33,418 a sugar which is difficult to process for many ancient and modern stomachs. 25 00:01:33,418 --> 00:01:39,128 Cheese, however, could provide all of milk’s advantages with much less lactose. 26 00:01:39,128 --> 00:01:42,088 And since it could be preserved and stockpiled, 27 00:01:42,088 --> 00:01:44,478 these essential nutrients could be eaten 28 00:01:44,478 --> 00:01:48,428 throughout scarce famines and long winters. 29 00:01:48,428 --> 00:01:52,560 Some 7th millennium BCE pottery fragments found in Turkey 30 00:01:52,560 --> 00:01:57,290 still contain telltale residues of the cheese and butter they held. 31 00:01:57,290 --> 00:01:58,990 By the end of the Bronze Age, 32 00:01:58,990 --> 00:02:02,050 cheese was a standard commodity in maritime trade 33 00:02:02,050 --> 00:02:04,480 throughout the eastern Mediterranean. 34 00:02:04,480 --> 00:02:07,700 In the densely populated city-states of Mesopotamia, 35 00:02:07,700 --> 00:02:11,250 cheese became a staple of culinary and religious life. 36 00:02:11,250 --> 00:02:13,250 Some of the earliest known writing 37 00:02:13,250 --> 00:02:16,340 includes administrative records of cheese quotas, 38 00:02:16,340 --> 00:02:20,440 listing a variety of cheeses for different rituals and populations 39 00:02:20,440 --> 00:02:22,215 across Mesopotamia. 40 00:02:22,215 --> 00:02:27,345 Records from nearby civilizations in Turkey also reference rennet. 41 00:02:27,345 --> 00:02:31,340 This animal byproduct, produced in the stomachs of certain mammals, 42 00:02:31,340 --> 00:02:35,505 can accelerate and control coagulation. 43 00:02:35,505 --> 00:02:40,225 Eventually this sophisticated cheesemaking tool spread around the globe, 44 00:02:40,225 --> 00:02:44,185 giving way to a wide variety of new, harder cheeses. 45 00:02:44,185 --> 00:02:48,245 And though some conservative food cultures rejected the dairy delicacy, 46 00:02:48,245 --> 00:02:54,105 many more embraced cheese, and quickly added their own local flavors. 47 00:02:54,105 --> 00:03:00,882 Nomadic Mongolians used yaks’ milk to create hard, sundried wedges of Byaslag. 48 00:03:00,882 --> 00:03:07,293 Egyptians enjoyed goats’ milk cottage cheese, straining the whey with reed mats. 49 00:03:07,293 --> 00:03:11,623 In South Asia, milk was coagulated with a variety of food acids, 50 00:03:11,623 --> 00:03:14,633 such as lemon juice, vinegar, or yogurt 51 00:03:14,633 --> 00:03:18,303 and then hung to dry into loafs of paneer. 52 00:03:18,303 --> 00:03:22,223 This soft mild cheese could be added to curries and sauces, 53 00:03:22,223 --> 00:03:25,903 or simply fried as a quick vegetarian dish. 54 00:03:25,903 --> 00:03:29,903 The Greeks produced bricks of salty brined feta cheese, 55 00:03:29,903 --> 00:03:34,563 alongside a harder variety similar to today’s pecorino romano. 56 00:03:34,563 --> 00:03:37,178 This grating cheese was produced in Sicily 57 00:03:37,178 --> 00:03:41,158 and used in dishes all across the Mediterranean. 58 00:03:41,158 --> 00:03:45,297 Under Roman rule, “dry cheese” or “caseus aridus,” 59 00:03:45,297 --> 00:03:46,857 became an essential ration 60 00:03:46,857 --> 00:03:53,397 for the nearly 500,000 soldiers guarding the vast borders of the Roman Empire. 61 00:03:53,397 --> 00:03:56,238 And when the Western Roman Empire collapsed, 62 00:03:56,238 --> 00:03:58,308 cheesemaking continued to evolve 63 00:03:58,308 --> 00:04:02,388 in the manors that dotted the medieval European countryside. 64 00:04:02,388 --> 00:04:06,362 In the hundreds of Benedictine monasteries scattered across Europe, 65 00:04:06,362 --> 00:04:10,872 medieval monks experimented endlessly with different types of milk, 66 00:04:10,872 --> 00:04:12,222 cheesemaking practices, 67 00:04:12,222 --> 00:04:17,202 and aging processes that led to many of today’s popular cheeses. 68 00:04:17,202 --> 00:04:20,955 Parmesan, Roquefort, Munster and several Swiss types 69 00:04:20,955 --> 00:04:26,085 were all refined and perfected by these cheesemaking clergymen. 70 00:04:26,085 --> 00:04:29,815 In the Alps, Swiss cheesemaking was particularly successful – 71 00:04:29,815 --> 00:04:32,897 producing a myriad of cow’s milk cheeses. 72 00:04:32,897 --> 00:04:34,737 By the end of the 14th century, 73 00:04:34,737 --> 00:04:39,727 Alpine cheese from the Gruyere region of Switzerland had become so profitable 74 00:04:39,727 --> 00:04:43,097 that a neighboring state invaded the Gruyere highlands 75 00:04:43,097 --> 00:04:46,507 to take control of the growing cheese trade. 76 00:04:46,507 --> 00:04:49,237 Cheese remained popular through the Renaissance, 77 00:04:49,237 --> 00:04:52,977 and the Industrial Revolution took production out of the monastery 78 00:04:52,977 --> 00:04:54,587 and into machinery. 79 00:04:54,587 --> 00:04:59,647 Today, the world produces roughly 22 billion kilograms of cheese a year, 80 00:04:59,647 --> 00:05:02,327 shipped and consumed around the globe. 81 00:05:02,327 --> 00:05:05,097 But 10,000 years after its invention, 82 00:05:05,097 --> 00:05:10,377 local farms are still following in the footsteps of their Neolithic ancestors, 83 00:05:10,377 --> 00:05:14,457 hand crafting one of humanity’s oldest and favorite foods.