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- Growing 'metallic wood' to new heights
- Fungi embrace fundamental economic theory as they engage in trading
- A new piece of the quantum computing puzzle
- Speedy nanorobots could someday clean up soil and water, deliver drugs
- Hunting dark energy with gravity resonance spectroscopy
- Microstructure found in beetle's exoskeleton contributes to color and damage resistance
- Scientists mine the rich seam of body wearable motion sensors
- Parasites manipulate praying mantis's polarized-light perception, causing it to jump into water
- Diversity of tiny bobtail squid driven by ancient biogeographic events, finds new study
- Microbes feast on crushed rock in subglacial lakes beneath Antarctica
- Researchers discover unique 'spider web' mechanism that traps, kills viruses
- Astrophysicists detect first black hole-neutron star mergers
- In a dish, a mouse, crafted from stem cells, begins to form
- Pulling wisdom teeth can improve long-term taste function, research finds
- Underground fiber optic sensors record sounds of COVID lockdown, reopening
- AI learns to predict human behavior from videos
- Odd smell: Flies sniff ammonia in a way new to science
Growing 'metallic wood' to new heights Posted: 29 Jun 2021 04:17 PM PDT Penn Engineers' 'metallic wood' gets its useful properties and name from a key structural feature of its natural counterpart: porosity. As a lattice of nanoscale nickel struts, metallic wood is full of cell-sized pores that radically decrease its density without sacrificing strength. They have now solved a major problem preventing metallic wood from being manufactured at meaningful sizes: eliminating 'inverted cracks,' a kind of defect that has plagued similar materials for decades. |
Fungi embrace fundamental economic theory as they engage in trading Posted: 29 Jun 2021 01:13 PM PDT When you think about trade and market relationships, you might think about brokers yelling at each other on the floor of a stock exchange on Wall Street. But it seems one of the basic functions of a free market is quietly practiced by fungi. |
A new piece of the quantum computing puzzle Posted: 29 Jun 2021 11:43 AM PDT Scientists have developed a groundbreaking quantum logic gate that brings quantum computing closer to reality. |
Speedy nanorobots could someday clean up soil and water, deliver drugs Posted: 29 Jun 2021 11:43 AM PDT Researchers have discovered that minuscule, self-propelled particles called 'nanoswimmers' can escape from mazes as much as 20 times faster than other, passive particles, paving the way for their use in everything from industrial clean-ups to medication delivery. |
Hunting dark energy with gravity resonance spectroscopy Posted: 29 Jun 2021 10:43 AM PDT Researchers demonstrate a robust experimental technique for studying one particular theory for dark energy. Named 'Gravity Resonance Spectroscopy,' their approach could bring researchers a step closer to understanding one of the greatest mysteries in cosmology. |
Microstructure found in beetle's exoskeleton contributes to color and damage resistance Posted: 29 Jun 2021 10:43 AM PDT In addition to providing coloration, the exoskeletal shell of beetles needs to be strong and damage tolerant, researchers explain. |
Scientists mine the rich seam of body wearable motion sensors Posted: 29 Jun 2021 09:08 AM PDT Body movement can be identified through clothing by passing a low voltage through a seam sewn from conductive yarn. Seam-based fitness trackers hold promise for tracking subtle movements (yoga, Pilates, rehabilitation, etc) -- something today's fitness watches struggle with. Stretching conductive seams reduces voltage, and the increase in resistance broadly indicates the level of stretch. Changes in voltage are recorded using a microcontroller. |
Parasites manipulate praying mantis's polarized-light perception, causing it to jump into water Posted: 29 Jun 2021 09:08 AM PDT Researchers have revealed that praying mantis (mantids) infected with parasitic hairworms are attracted to horizontally polarized light that is strongly reflected off the surface of water, which causes them to enter the water. These results demonstrate that parasites can manipulate the host's specific light perception system to their advantage, causing the host to behave in an abnormal manner. |
Diversity of tiny bobtail squid driven by ancient biogeographic events, finds new study Posted: 29 Jun 2021 09:07 AM PDT Researchers took a close look at bobtail and bottletail squids to establish their evolutionary relationships and the timing of the divergence of different species. |
Microbes feast on crushed rock in subglacial lakes beneath Antarctica Posted: 29 Jun 2021 09:07 AM PDT Pioneering research has revealed the erosion of ancient sediments found deep beneath Antarctic ice could be a vital and previously unknown source of nutrients and energy for abundant microbial life. |
Researchers discover unique 'spider web' mechanism that traps, kills viruses Posted: 29 Jun 2021 07:12 AM PDT Immunologists have discovered a previously unknown mechanism which acts like a spider web, trapping and killing pathogens such as influenza or SARS-CoV-2, the virus responsible for COVID-19. |
Astrophysicists detect first black hole-neutron star mergers Posted: 29 Jun 2021 07:11 AM PDT A long time ago, in two galaxies about 900 million light-years away, two black holes each gobbled up their neutron star companions, triggering gravitational waves that finally hit Earth in January 2020. Astrophysicists' observation of the two events -- detected just 10 days apart -- mark the first-ever detection of a black hole merging with a neutron star. |
In a dish, a mouse, crafted from stem cells, begins to form Posted: 29 Jun 2021 07:08 AM PDT New advances in stem cell research will help scientists battle diseases, develop drugs and, eventually, grow organs for transplant. |
Pulling wisdom teeth can improve long-term taste function, research finds Posted: 28 Jun 2021 02:05 PM PDT Patients who had their wisdom teeth extracted had improved tasting abilities decades after having the surgery, according to a new study. |
Underground fiber optic sensors record sounds of COVID lockdown, reopening Posted: 28 Jun 2021 09:30 AM PDT In March 2020, daily life in the United States changed in an instant as the country locked down to deal with the initial wave of the COVID-19 pandemic. New research reveals how residents in one community returned to their routines as the restrictions lifted. |
AI learns to predict human behavior from videos Posted: 28 Jun 2021 08:37 AM PDT A new study unveils a computer vision technique for giving machines a more intuitive sense for what will happen next by leveraging higher-level associations between people, animals, and objects. |
Odd smell: Flies sniff ammonia in a way new to science Posted: 23 Jun 2021 10:06 AM PDT The stink of ammonia in urine, sweat, and rotting meat repels humans, but many insects find ammonia alluring. Now, researchers have figured out how the annoying insects smell it, a discovery that could lead to better ways to make them buzz off. |
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