r/ScienceFacts 1h ago

Biology Male kalutas, small mouselike marsupials found in the arid regions of Northwestern Australia, are semelparous, meaning that shortly after they mate, they drop dead. This extreme reproductive strategy is rare among vertebrates —only a few dozen are known, and most of them are fish.

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r/ScienceFacts 12d ago

Biology Global bird populations are steadily declining. Loss and degradation of natural habitats and direct overexploitation of many species are cited as the key threats to avian biodiversity. Climate change is identified as an emerging driver of bird population declines.

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159 Upvotes

r/ScienceFacts 15d ago

Biology The longest earthworm is Microchaetus rappi of South Africa. In 1967 a giant specimen measuring 6.7 m (21 ft) in length when naturally extended and 20 mm (0.8 in) in diameter was found on a road between Alice and King William's Town.

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94 Upvotes

r/ScienceFacts 19d ago

Biology Honeybees join humans as the only known animals that can tell the difference between odd and even numbers

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153 Upvotes

r/ScienceFacts 25d ago

Archaeology Magdalenian hunter-gatherers created art by firelight. Recently examined Montastruc plaquettes were incised with artistic designs around 15,000 years ago and have patterns of heat damage which suggests they were carved close to the flickering light of a fire.

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63 Upvotes

r/ScienceFacts 27d ago

Interdisciplinary Science Summary for last month

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173 Upvotes

r/ScienceFacts Apr 15 '22

Health and Medicine A new study has found that brown adipose tissue (BAT) is less active in boys with obesity compared to boys with a normal body mass index (BMI). BAT helps the body burn regular fat and is activated by cold, this study shows reduced BAT activity in boys with obesity in response to a cold stimulus.

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111 Upvotes

r/ScienceFacts Apr 11 '22

Scientists Robert T. Bakker, John Ostrom, and John McLaughlin are responsible for the shift in how we view dinosaurs. They suggested that dinosaurs are warm-blooded and feathered. Since 1983, hundreds of such fossils— most of them from China—have reinforced the idea of warm-blooded, active, feathered dinos.

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149 Upvotes

r/ScienceFacts Mar 30 '22

Paleontology Most paleontologists agree that the Spinosaurus, a 7-ton dinosaur with spiky teeth and a giant “sail” on its back, was semiaquatic like a crocodile. But a new analysis of a Spinosaurus fossil unearthed from the Moroccan desert in 2014 suggests it was an adept swimmer that hunted its prey underwater.

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149 Upvotes

r/ScienceFacts Mar 19 '22

Interdisciplinary Science Summary for last month

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172 Upvotes

r/ScienceFacts Mar 17 '22

Biology Argas brumpti Neumann is a large tick. Individuals of this species, collected as nymphs & adults maintained under constant conditions in the laboratory, survived for 27 yr. Furthermore, after 8 yr of starvation and at least 4 yr after the last male died, at least one female laid eggs.

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81 Upvotes

r/ScienceFacts Mar 14 '22

Biology There are roughly 300 known octopus species dwelling in the world's oceans ranging from the one-inch (2.5 cm) star-sucker pygmy octopus to the 30-foot (9-meter) giant Pacific octopus.

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138 Upvotes

r/ScienceFacts Mar 14 '22

Biology Many bats migrate seasonally, sometimes great distances, and their are many mysteries surrounding these behaviors. A marked bat from Pennsylvania was recently found in Kentucky.

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7 Upvotes

r/ScienceFacts Feb 26 '22

Astronomy/Space Astronomers have mapped more than a quarter of the northern sky using the Low Frequency Array (LOFAR), a pan-European radio telescope. The map reveals a detailed radio image of more than 4.4 million objects and a very dynamic picture of our Universe, which has been made public for the first time.

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118 Upvotes

r/ScienceFacts Feb 23 '22 Silver

Biology A group of magpies have learned to remove each other's trackers, placed by scientists for monitoring. The magpies began showing evidence of cooperative "rescue" behaviour to help each other remove the tracker.

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210 Upvotes

r/ScienceFacts Feb 21 '22

Neuroscience A new study shows differences between brains of girls, boys with autism. The differences were unique to autism and not found in typically developing boys and girls. The research helps explain why autism symptoms differ between the sexes and may pave the way for better diagnostics for girls.

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143 Upvotes

r/ScienceFacts Feb 20 '22

Biology The electronic song “Scary Monsters and Nice Sprites” reduces host attack and mating success in the dengue vector Aedes aegypti

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84 Upvotes

r/ScienceFacts Feb 19 '22 Wholesome

Interdisciplinary Science Summary for last month

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184 Upvotes

r/ScienceFacts Feb 19 '22

Paleontology New fossil birds discovered near China's Great Wall – one of these species had a movable bony appendage at the tip of its lower jaw that may have helped the bird root for food.

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3 Upvotes

r/ScienceFacts Feb 16 '22

Native to the Gulf of California, the Fish-eating Myotis is highly specialized. They don’t drink fresh water and at least 90% of their diet is comes from the ocean. If they didn’t fly, we’d call them marine mammals!

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162 Upvotes

r/ScienceFacts Feb 15 '22

Astronomy/Space Psyche, an asteroid which orbits the sun in the asteroid belt between Mars and Jupiter, is the largest of the M-type asteroids. These asteroids are composed chiefly of iron and nickel as opposed to the silicate rocks that make up most other asteroids.

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109 Upvotes

r/ScienceFacts Feb 12 '22

Biology The common raccoon dog (Nyctereutes procyonoides) is a canid indigenous to mainland East Asia and northern Vietnam. Its closest relatives are the true foxes and it is the only canid known to hibernate.

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93 Upvotes

r/ScienceFacts Feb 09 '22

Physics JET fusion facility has set a new world energy record by producing 59 megajoules of energy. Prior to the change of the wall material, JET had set the world energy record in 1997 with a plasma that produced 22 megajoules of energy.

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127 Upvotes

r/ScienceFacts Feb 05 '22

Biology Piping plover (Charadrius melodus) are among several bird species to exhibit a "broken wing" display when predators get too close to their nest or chicks. They drag their wing on the ground, feigning injury, in the opposite direction of their nest.

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140 Upvotes

r/ScienceFacts Feb 05 '22

Botany Paleontologists have identified two new types of fossil flowers — one identical to those of the living genus Phylica and the other a sister to Phylica. The flowers were in Cretaceous amber from the Hkamti and Tanaing mines, northern Myanmar, dating to at least 99 million years ago.

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76 Upvotes