Science

Magicians have long exploited quirks in our perception of the world to make us experience the impossible. Now, cognitive psychology is exploring how they do it and revealing fresh insights into how our minds work

Familiar Saturn currently provides dawn observers with a bizarre, ‘ring-less’ view.

Today we have a lovely batch of tidepool organisms taken by UC Davis math professor Abby Thompson, who is also a Hero of Intellectual Freedom.  Abby’s captions and IDs are indented, and you can enlarge her photos by clicking on them.

More tidepool pictures from Dillon Beach, CA.   The best tidepooling season is just getting underway.  There are some big tides at the end of April, and they’ll recur through July, with the low tides at ghastly hours of the morning.    These pictures from March were from less painful times of day.   There are a few species I’ve posted before, but they had some especially photogenic representatives this month.

Several of these animals are really (really) tiny, and some are both tiny and fast, so some of the pictures aren’t perfect, but I think they’re interesting creatures.

Phidiana hiltoni (nudibranch).   Posted before, but this one was a beauty:

Genus Ophiopholis (brittle star). Distinguishing species in this genus requires better pictures than this one.  This tiny- about an inch tip to tip- brittle star was on the underside of a rock.    These move fast and gracefully.    They’re in the same phylum as big ochre stars, the sea urchins (see the next two pictures) and sea cucumbers:

Strongylocentrotus purpuratus (purple sea urchin). I know, it’s green, but the juveniles start green and then turn purple.    The next picture shows its mouth on the underside:

Sea urchin mouth:

Family Sabellidae (feather duster worm). Another very tiny creature, visible to the naked eye as just a slight pink fuzz.   This marine worm lives in a tube of its own creation,  and retracts into the tube in a flash if disturbed.  The dark dots at the base of the “feathers” are eyes:

Caesia fossata (eggs from this snail).

Margarites pupillus (tentative ID) I liked the bit of opalescence on the shell:

Coryphella trilineata (nudibranch). Another one I’ve posted before, posing for the camera:

Genus Gnathopleustes (amphipod). Yet another tiny guy.    I’ve found just a few of these, a speck of bright color in the seaweed:

Mopalia acuta (chiton).   The Mopalia species can be hard to distinguish from photos, so this ID should be taken with a grain of salt.    Chitons usually cling to a rock like a limpet, but they can curl into a ball like a roly-poly to protect their vulnerable body if they get dislodged:

Camera info:  Mostly Olympus TG-7, in microscope mode, pictures taken from above the water.

A moth antenna can be integrated into the electronics of a drone to create a smell-seeking bio-hybrid – but it only detects the smell of a female moth

A powerful enough quantum computer could crack the encryption methods currently used to protect data around the world, but the solution might be a quantum algorithm once thought to be completely useless

A blood test can accurately determine whether someone without known risk factors for preeclampsia may be at risk of developing the potentially fatal hypertensive pregnancy condition

A blood test can accurately predict whether someone without a known risk of preeclampsia is likely to develop the potentially fatal hypertensive pregnancy condition

Thanks to the Hubble Space Telescope, we now know that a day on Uranus lasts for 28 seconds longer than previously thought - a difference that could be crucial in planning future missions to the gas giant

NGC346 is a young star cluster in the Small Magellanic Clouds with an estimated 2,500 stars. It’s about 200,000 light years away and this image, taken by the Hubble Space Telescope reveals a beautiful region of star formation. The bright blue stars are many times more massive than the Sun and will live short lives ending in spectacular supernova explosions. The image helps us to understand the stellar formation process in a galaxy that has fewer metals than our own Galaxy.

One NIH staffer described Bhattacharya’s note as a “thank you and can’t wait to work with you email ... in the middle of the massacre.”

The post Drs. Jay Bhattacharya, Marty Makary, and a Cruel April Fool’s Day first appeared on Science-Based Medicine.

Mercury pollution accumulating in trees could offer a new way to monitor destructive gold mining operations

Researchers have successfully demonstrated the UK's first long-distance ultra-secure transfer of data over a quantum communications network, including the UK's first long-distance quantum-secured video call.

Astronomers have discovered a remarkable star system just 150 light-years from Earth that's destined for a spectacular cosmic display. The system contains a white dwarf star drawing material from its companion star, with the pair orbiting at just 1/60th of the Earth-Sun distance. With their combined mass reaching 1.56 times that of our Sun, these stars are gradually spiralling toward each other, setting the stage for a spectacular explosion. Fortunately, scientists estimate this cataclysmic event won't occur for roughly 23 billion years, long after our own Sun will have reached the end of its life cycle.

A study reveals that termites are not simply spreading through natural processes, suggesting humans may be helping them 'conquer the world' by unknowingly transporting them aboard private boats.

Scientists have developed an artificial intelligence-based method to more accurately detect antibiotic resistance in deadly bacteria such as tuberculosis and staph. The breakthrough could lead to faster and more effective treatments and help mitigate the rise of drug-resistant infections, a growing global health crisis.

The world is littered with trillions of micro- and nanoscopic pieces of plastic. These can be smaller than a virus -- just the right size to disrupt cells and even alter DNA. Researchers find them almost everywhere they've looked, from Antarctic snow to human blood. In a new study, scientists have delineated the molecular process that causes these small pieces to break off in such large quantities.

A web platform uses a chatbot to enable any chemist -- including undergraduate chemistry majors -- to configure and execute complex quantum mechanical simulations through chatting.

A web platform uses a chatbot to enable any chemist -- including undergraduate chemistry majors -- to configure and execute complex quantum mechanical simulations through chatting.

Researchers have found special atomic patterns called quasicrystals in 3D-printed aluminum alloys. Quasicrystals increase the strength of 3D-printed aluminum, the researchers discovered, making it possible to use in lightweight, high-strength objects such as airplane parts. Once thought impossible, quasicrystals led to a 2011 Nobel Prize in Chemistry.

Despite its uniquely rich inventory of organic molecules, Saturn's largest moon, Titan, may be able to support only a minuscule amount of biomass, if life exists on the moon, according to a study using bioenergetic modeling.