Did you know? Marie Curie’s notebooks are still radioactive

Marie Curie notebook

Holograph note-book containing notes of experiments, and so forth. on radioactive substances, with tough pen-drawings of equipment.

Public Area Mark/Wellcome Assortment

Marie Curie was a physicist and chemist who turned the primary girl to win a Nobel prize. Alongside together with her husband Pierre, she found two parts: polonium and radium. She additionally carried out pioneering analysis into radioactivity. On the time nobody knew in regards to the results of radioactivity on the physique, so that they dealt with the they used of their analysis with none of the precautions or protecting clothes we might use right this moment. Curie even stored vials of what she was engaged on in her pockets or her desk drawers. Greater than 100 years after their discoveries, the couple’s notebooks are nonetheless so radioactive they must be stored in lead-lined packing containers and dealt with solely whereas carrying protecting clothes.

The biggest dinosaur might have weighed 120 tonnes


Public life dimension mannequin of Patagotitan dinosaur


Josh Forwood/Alamy

Fossil stays of actually enormous dinosaurs have been restricted however after an astounding discovery in 2013, six specimens of a really monumental beast, Patagotitan, began to emerge from the bottom.

Since Patagotitan was found, it has typically been described as the biggest animal ever to stroll the earth. Estimating the burden of those dinosaurs is just not simple however latest analyses are in broad settlement. Patagotitan is available in at a whopping 55 tonnes, which is ten instances the mass of an elephant, the biggest dwelling land animal.

Nevertheless, a reappraisal of a dinosaur present in 1878 suggests it might need been twice as heavy as Patagotitan. The estimate is contentious, but when appropriate it might make Amphicoelias fragillimus, between 80 and 120 tonnes

On common, each sq. metre of land is dwelling to 130 spiders

New Scientist Default Image

Leaping spider (Hypaeusbenignus) seen in rainforest of Costa Rica.


Current research of net constructing and different spider behaviours have revealed that these arachnids possess surprising intelligence. Their cognitive talents embrace foresight and planning, advanced studying, reminiscence and the capability to be stunned. At the moment, greater than 48,000 spider species have been recognized. They’re massively adaptable, dwelling in every single place from probably the most northerly islands of the Arctic to deserts, caves, seashores and bogs. The Himalayan leaping spider even prospers at altitudes above 6 kilometres, making it one of many world’s highest residents. On common, each sq. metre of land on Earth is dwelling to 130 spiders.

There’s a scientific paper written on belly-button fluff

belly button lint

Male stomach button

Dmitry Epov / Alamy

Beginning in 2005, Georg Steinhauser – then a chemist on the Vienna College of Know-how – collected items of belly-button fluff from his navel and recorded their color and weight. Over the following three years he collected 503 items of lint, weighing nearly a gram in complete.

Ultimately, he despatched a few of his lint off for chemical evaluation, and revealed his findings in a scientific journal. And all within the pursuits of answering the query: why do some individuals discover a lot fuzz of their stomach buttons? The reply, it seems, will depend on your clothes and the way furry your navel is.

Psilocybin is being investigated as a doable remedy for psychological sickness

magic mushrooms

Magic mushroom

Science Picture Library / Alamy

Psilocybin, the psychedelic drug produced by lots of of species of magic mushrooms is being investigated as a doable remedy for psychological sickness, together with nervousness associated to superior most cancers and melancholy. Within the physique, psilocybin is transformed right into a barely completely different molecule, psilocin, which acts on serotonin receptors within the mind. Small research recommend {that a} single dose of psilocybin can result in long-term reductions in melancholy signs, maybe by interrupting patterns of destructive ideas and permitting the mind to rework itself.

In 2013, Earth was hit by a meteorite weighing over half a tonne


Meteors flying over the clouds 3d illustration

Alexyz3d/Getty Photos

On 15 2013, excessive above Chelyabinsk, simply to the of the Ural Mountains in southern Russia, a meteorite exploded within the sky. Though most of it burned up within the ambiance, a number of items made landfall, certainly one of which smashed by way of the ice of the frozen Lake Chebarkul, leaving a gap seven metres extensive. Recovered by a diver in October 2013, this meteorite weighed in at 570 kilograms. Astronomers concluded that the explosion was an asteroid 17 to 20 metres throughout with a mass of 10,000 tonnes. The preliminary blast, at an altitude of about 30 kilometres, carried an power equal to 500 kilotonnes of TNT – about 30 Hiroshima bombs.

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