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1 Voyager's signal now reaches Earth as a whisper
2 A super-Earth just 25 light-years away is genuinely worth searching for signs of life
3 Europa contains twice as much liquid water as every ocean on Earth combined
4 Spaceflight flattens the back of the eye and blurs vision
5 Earth's inner core is an iron-rich ball as hot as the surface of the Sun
6 Most common type of planet is larger than Earth, smaller than Neptune, with an unearthly atmosphere
7 People ingest a credit card's worth of plastic every week
8 The total weight of all the ants on Earth rivals the combined weight of all wild mammals and birds
9 Antarctica is classified as a desert because it receives less precipitation than the Sahara
10 Einstein's relativity allows time travel into the future
11 The axolotl reopens parts of its embryonic blueprint and uses it to completely rebuild what was lost
12 A photon can spend thousands of years bouncing in the Sun before it ever escapes the surface
13 Birds are not descended from dinosaurs--they are dinosaurs
14 Horror-film viewers burn as many calories as a short walk
15 Sputnik's success caused such a panic that the US poured federal money into science, maths and foreign-language education
16 Trails of ants are drawn in scent, not sight--each ant lays a chemical line the next follows
17 Nearly every atom in your body is swapped out over the years
18 90% of hard cheese made in the US is now set with an enzyme grown in a vat
19 A teaspoon of neutron star material would weigh about 4 billion tons on Earth
20 S Korea was poorer per person than Ghana but it dramatically reversed within 1 lifetime
21 252 million years ago, volcanoes wiped out 90% of marine species
22 Evidence of a Moon-sized world orbiting the Sun 4.5 billion years ago, then vanished
23 Every chemical component needed to build RNA was present in the early solar system
24 English communities closer to the coast reported better general health
25 Earth's inner core is not rock but a sphere of solid iron-rich metal
26 TRAPPIST-1 hosts 7 Earth-sized planets--including 3 orbiting where liquid water could survive
27 Venus turns so slowly that a single day there lasts longer than its entire year
28 Leafcutter ants feed leaves to an underground fungus they farm and eat
29 A handwritten list of every alarm code prevented aborting the Moon landing
30 A potential way for deep-space crews to reduce mass for radiation shielding
31 Ants can carry 50 times their body weight
32 An octopus has 3 hearts, blue blood; 2/3 of neurons spread through its arms
33 An asteroid struck somewhere north of Australia yet scientists still cannot find its crater
34 Mars produces the largest dust storms in the solar system, which is what killed Opportunity rover
35 America's loneliness problem may be due to suburbs, cars and homes built for private family life
36 S Korea's postwar miracle was built by family empires who equal more than 40% of GDP
37 Large parts of Antarctica were once covered in temperate forest
38 Titan's nature is much like our own but the liquid is methane and the ground is water frozen hard as stone
39 The olm salamander can go up to a decade without eating and lives more than 100 years
40 If you compressed Earth's history into a calendar year, humans appear at 11:36 pm on the 31st of December
41 Over a million were shut in their rooms across Japan
42 Mars as a stepping stone rather than a destination
43 A Moon-sized world orbited the young Sun more than 4.5 billion years ago, then vanished
44 Casting new doubt on 'Planet Nine'--a giant, unseen world tugging at the most distant orbits
45 Europa may lack the very energy that life would need to survive
46 Crab Nebula, a thousand-year-old explosion still visibly unfolding
47 2 humpback whales crossed more than 14,000 kilometres between Australia and Brazil
48 Birth of a magnetar--a newborn neutron star so magnetic it could wipe every credit card on Earth from halfway to the Moon
49 Gorilla named Koko learned more than 1,000 signs and understood 2,000 spoken words
50 The early universe was already messy and mature when it should still have been simple
51 Enceladus sprays out the same chemical fuel that feeds life in Earth's deepest oceans
52 The largest dinosaur ever found in Southeast Asia was hiding in plain sight
53 The bond between humans and pets is biologically real
54 New Zealand granted legal personhood to the Whanganui River
55 China became only the 2nd nation to recover an orbital-class booster
56 The human kidney filters 180 litres of plasma a day
57 The Sun ejects a billion tons of charged plasma in a coronal mass ejection
58 The only human voyage ever made from one space station to another
59 German rocket startup signed a Nova Scotia launch-site agreement
60 T. rex took 40 years to reach its full size
61 Europe's Euclid telescope found 31 of the oldest quasars ever seen
62 Fossils of trilobites, sea lilies and tiny crustaceans have been found just below the top of Mount Everest
63 Waymo announced fully driverless taxis for 4 more American cities
64 Scott Kelly left with signs of lasting chromosome damage after stay at ISS
65 Reflect Orbital's proposed 50,000-satellite system could raise the natural night-sky background by 200%-300%
66 Heavier short-video use was linked to poorer attention, weaker impulse control and more stress
67 An AI-focused data centre consumes as much electricity as 100,000 homes
68 On August 2, Europe's AI law gains full power to fine
69 Subsurface oceans could be preserved for billions of years, heated not by sunlight, but by the repeated gravitational flexing of their orbits
70 Mountain gorillas build immense muscle on leaves and stems, powered by gut microbes
71 SpaceX has asked to place 100,000 Gen3 satellites into 20 orbital shells
72 Dogs have leapt from the same spot on Scotland's Overtoun Bridge, eventually traced to the scent of mink living below
73 Dimethyl sulfide, a life-linked gas, detected at the possible ocean world K2-18b
74 Voyager 1 revealed the boundary of interstellar space is more complicated than predicted
75 If fuel lines fail, Voyager could lose the thrusters that keep its antenna aimed at Earth
76 Sub-Neptunes, the most common type of planet, can forge their own water oceans by reacting hydrogen atmospheres with molten rock in their cores
77 OpenAI opened its most powerful system yet to the public--GPT-5.6
78 Titan nature is like Earth's, except its liquid is methane and its rocks are frozen water ice
79 Clearest predictor of who stays healthy and content is the quality of their relationships
80 Zebras evolved their stripes not for camouflage or heat, but as a living insect repellent
81 Earth's magnetic field has flipped hundreds of times
82 A supermassive black hole called RBH-1, weighing 10 million Suns, was flung from its galaxy
83 The Milky Way may contain trillions of rogue planets drifting without close stars
84 In a Viking Age town in Sweden, a warrior assumed to be male was found by DNA to be female
85 A solar storm sent currents surging through telegraph wires, allowing transmission with batteries disconnected
86 A missed overbar above one letter in the Mariner 1 guidance code caused the rocket to be destroyed
87 Papua New Guinea has 840 living languages, more than any other country and more than all European countries combined
88 Saturn's rings are so young that dinosaurs would have looked up at a ringless planet
89 East Asian skin vs. Caucasian skin wrinkling
90 The two Voyagers left the Sun's bubble six years apart, yet found its edge at nearly the same distance
91 Beresheet crashed on the Moon with thousands of dormant tardigrades aboard
92 Falling in love with a machine is no longer science fiction
93 Bots have overtaken humans on one of the internet's largest networks
94 The average American spends over 3 hours a day on a phone
95 A century before the first computer existed, a young Englishwoman wrote the first computer algorithm
96 Only about 1 in 5 workers worldwide feels truly engaged at work
97 3D maps of Earth that can be refreshed within a day or sharpened to 15 cm built for autonomous drones and weapons
98 Returning astronauts describe their spine suddenly forced to support the body's weight again
99 Buzz Aldrin published a memoir admitting that coming home from the Moon had nearly destroyed him
100 For most of the last century, the fear was too many people; that has now flipped
101 The inner-ear organs that tell your brain which way is down work without you noticing--until orbit switches them off
102 Spaceflight turns off the inner ear and relies almost entirely on the eyes
103 The first commercial spacecraft ever cleared to carry a nuclear power source under the FAA
104 A fake satellite signal could hijack navigation with off-the-shelf parts
105 Returning from spaceflight is the hard part
106 A passenger jet aborted its landing because of false data
107 Spoofing a GPS receiver is worse than jamming it because the victim never knows
108 A homemade GPS spoofer costing a few thousand dollars used to steer an $80 million superyacht off course
109 The first commercially built nuclear-powered satellite ever launched
110 The Soviet Venera 9 sent back the first photograph ever taken from the surface of another planet
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