The Last Evolution
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The Last Evolution, by John W Campbell Jr. (1932)
The Project Gutenberg EBook of The Last Evolution, by John Wood Campbell This eBook is for the use of anyone anywhere at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this eBook or online at www.gutenberg.org
A Moment of Truth for American Grass
Every time the United States hosts a major international soccer tournament, the world’s finest players unite to complain about our god-awful fields. At the 2024 Copa América, the Argentine goalkeeper Emi Martínez—widely regarded as one of the best in the world—described the field in Atlanta’s Mercedes-Benz Stadium as both “a trampoline” and “a disaster.” Last year, Chelsea’s captain, Reece James, who played a Club World Cup match in New Jersey’s MetLife Stadium, called the pitch bad for the...
NASA's Mars MAVEN probe is dead
NASA's Mars MAVEN probe is dead The last time the agency heard from the probe was in December. NASA has officially ended the Mars Atmosphere and Volatile Evolution (MAVEN) mission, six months after it lost contact with the probe. MAVEN was the agency's first program dedicated to studying the Martian atmosphere and its evolution.
Halo: Campaign Evolved arrives July 28th
As part of its Xbox Games Showcase on Sunday, Microsoft revealed new details about Halo: Campaign Evolved, the upcoming remake of Halo: Combat Evolved's campaign mode. The remake will debut on Xbox Series S / X, PC, and PS5 on July 28th. Today's mission trailer includes a first look at Operation:
Half-ton early bovines roamed 4-million-year-old grasslands in Europe
Half-ton early bovines roamed 4-million-year-old grasslands in Europe Robert Egan Associate Editor The first large-sized bovines grew to up to half a ton 4 million years ago in the European Early Pliocene, an early step toward our modern diversity of large-bodied buffalo and cattle, according to a study published June 3, 2026, in the open access journal PLOS One by Leonardo Sorbelli of the Leibniz Institute for Evolution and Biodiversity Science, Germany, and colleagues. Bovines are major...
From hybrids to 'virgin birth,' stick insects reveal stepwise loss of sex
From hybrids to 'virgin birth,' stick insects reveal stepwise loss of sex Lisa Lock Scientific Editor Robert Egan Associate Editor The evolution of sex remains one of biology's greatest puzzles. While sexual reproduction dominates across the animal kingdom, scientists still debate why it persists despite its high costs. Even more mysterious is the loss of sex in favor of asexual reproduction whereby females give birth to copies of themselves without any contribution from males.
Why are sloths slow? It's in their DNA
It's in their DNA Lisa Lock Scientific Editor Robert Egan Associate Editor Sloths are the slowest mammals on the planet, but living in dense jungles has made them notoriously difficult to study. For the first time, scientists have now sequenced and analyzed the two-toed sloth genome and revealed the genetics behind its extremely slow metabolism. Building on work initiated at the Leibniz Institute for Zoo and Wildlife Research (IZW) in Berlin, Germany, researchers at the Wellcome Sanger...
NASA's MAVEN Mars orbiter is officially dead after months of radio silence
NASA's MAVEN Mars orbiter is officially dead after months of radio silence Au revoir, MAVEN, mon ami. NASA is saying goodbye to one of its most accomplished Mars orbiters. After months of repeated attempts to reestablish contact with the Mars Atmosphere and Volatile EvolutioN (MAVEN) satellite, NASA has declared the Red Planet probe dead.
Detailed molecular picture of tooth enamel reveals adaptations to diet
Detailed molecular picture of tooth enamel reveals adaptations to diet Sadie Harley Scientific Editor Robert Egan Associate Editor From chewing to chomping to grinding, teeth suffer from a lifetime of repeated mechanical stress. It makes sense, then, that enamel is one of the hardest natural materials. University of Wisconsin-Madison physics professor Pupa Gilbert and colleagues previously showed that the hydroxyapatite nanocrystals that make up enamel are arranged perfectly parallel to one...
Arne Slot should be remembered well at Liverpool d...
Perhaps Arne Slot knew it was coming. As the Liverpool players completed their customary end-of-season lap of honour last Sunday, following a stressful 1-1 draw with Brentford, the Dutchman sat alone in the Anfield dugout and puffed out his cheeks. While it took a further six days for his immediate departure to be officially confirmed by the club, perhaps Slot suspected in his moment of quiet reflection that he'd already passed the point of no return on Merseyside.