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270 illustrations
In 1997, forest ecologist Suzanne Simard made a discovery that reshaped our understanding of how forests work. Using radioactive carbon isotopes, she traced an invisible...
In the 1870s, Russian geologist Vasily Dokuchaev began studying the rich black soil of the Ukrainian steppe — a dark earth called chernozem that farmers...
In 1995, astronomer Robert Williams made a decision many colleagues thought was foolish. As director of the Space Telescope Science Institute, he pointed the Hubble...
In 1964, two radio astronomers at Bell Labs in New Jersey — Arno Penzias and Robert Wilson — pointed a large horn antenna at the...
In the 1630s, a young Rembrandt van Rijn painted himself draped in velvet and gold chains, posing like nobility, his eyes bright with ambition. He...
In 1983, Paul Mockapetris invented something called the Domain Name System — DNS. You have probably never heard of it, but you use it hundreds...
In cybersecurity, one rule stands above nearly all others. Engineers call it "the principle of least privilege," first formalized by Jerome Saltzer and Michael Schroeder...
In Victor Hugo's *Les Misérables*, we meet Bishop Myriel of Digne — a man who holds one of the most prestigious positions in his region...
When Larry Page and Sergey Brin developed Google's original PageRank algorithm at Stanford in the late 1990s, they built it on a counterintuitive principle. A...
In July 2016, Tim Duncan retired from the NBA after nineteen seasons with the San Antonio Spurs. He had won five championships, two league MVP...
In the spring of 2016, two of basketball's all-time greats played their final NBA seasons. Kobe Bryant's farewell was a spectacle — a season-long celebration,...
In bone marrow transplantation, something remarkable happens that mirrors the heart of Christian humility. Before a donor's marrow can save a recipient's life, the recipient...
In twenty-one NBA seasons with the San Antonio Spurs, Tim Duncan won five championships, two MVP awards, and earned fifteen All-Star selections. By every measure,...
In a league built on highlight reels and trash talk, Tim Duncan spent nineteen seasons with the San Antonio Spurs doing something revolutionary — he...
Rich Mullins wrote *Awesome God*, one of the most recognizable worship songs of the last forty years. It filled arenas. It sold millions of records....
In 1978, Dr. Amar Bose boarded a transatlantic flight and couldn't enjoy his music over the roar of the jet engines. That frustration sparked decades...
At Google, Amazon, and Microsoft, even the most senior software engineers — the architects of systems used by billions of people — don't ship code...
In 1499, a twenty-four-year-old Michelangelo unveiled his *Pietà* in St. Peter's Basilica — Mary cradling the broken body of her Son, carved from a single...
In J.R.R. Tolkien's *The Lord of the Rings*, Aragorn is the rightful heir to the throne of Gondor. He carries the bloodline of kings. Yet...
In 1847, a Hungarian physician named Ignaz Semmelweis made a discovery that should have changed the world overnight. Working in a Vienna maternity ward, he...
In 1989, a British computer scientist named Tim Berners-Lee invented the World Wide Web while working at CERN in Geneva. He created the protocols that...
In 1995, astronomer Robert Williams made a career-risking decision. He pointed the Hubble Space Telescope at what appeared to be an utterly empty patch of...
There’s a story I want to share about a woman named Elizabeth, who transformed her community through a humble act of love. Elizabeth was a single mother living in a neighborhood often overlooked, where the noise of sirens was a...
In 1990, astronomer Carl Sagan convinced NASA to point Voyager 1's camera back toward Earth one last time. The probe had been traveling since 1977...