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Phys.org / DNA molecular computer combines memory and computing at scales below 2 nm

Until now, molecular-level DNA circuits have mainly been used for simple tasks, such as detecting the presence of cancer-related substances. However, these systems have faced a key limitation: once a reaction occurs, the ...

19 hours ago
Phys.org / New self-assembling polymers proven to be effective at gene delivery

A collaboration of scientists at the University of Manchester and the University of Birmingham has explored a more effective and less toxic way of delivering genetic material into cells, a challenge central to areas such ...

18 hours ago
Phys.org / Brazil's farm expansion has left a vast soil carbon debt—but one fix could help meet climate goals

The conversion of Brazil's native biomes into agricultural areas has resulted in an estimated loss of 1.4 billion tons of soil carbon. This amount is equal to the emission of 5.2 billion tons of carbon dioxide (CO₂) equivalent, ...

20 hours ago
Phys.org / CRISPR untangles five-gene protein that helps plants grow in early stages

For most of their lives, plants get their energy from photosynthesis. But during the seed to seedling stage, when they can't absorb light just yet, they rely on other sources, like fatty acids. To process the fatty acids, ...

20 hours ago
Phys.org / How bacteria circumvent plants' immune system

How are bacterial pathogens able to effectively overcome plants' defense mechanisms? Researchers working with Professor Şuayb Üstün at Ruhr University Bochum, Germany, have found a surprising answer to this question: The ...

18 hours ago
Tech Xplore / Video: Electrical control of a metal-mediated DNA memory

DNA stores our genetic code. What if it could also be integrated with electronics to store and read other information? Scientists have been investigating how to store data in DNA, but retrieving the information remains a ...

18 hours ago
Science X / A giant bud is about to unleash one of nature's foulest, fastest, and most elusive spectacles in London

The rare and infamous titan arum (Amorphophallus titanum) may be just days away from opening inside of the Princess of Wales Conservatory, Kew Gardens' horticulturists have said. Known to many as the "corpse flower" due to ...

19 hours ago
Medical Xpress / One delayed newborn shot can set off a costly chain reaction with lifelong consequences for children

Delaying hepatitis B vaccination after birth increases infections among newborns and decreases their survival rates and quality of life, according to a new Cornell University study. The longer the delay, the study found, ...

21 hours ago
Tech Xplore / You probably wouldn't notice if an AI chatbot slipped ads into its responses

Hundreds of millions of people consult artificial intelligence chatbots on a daily basis for everything from product recommendations to romance, making them a tempting audience to target with potentially below-the-radar advertising. ...

10 hours ago
Medical Xpress / An unexpected limit to SARS-CoV-2's immune defenses reveal a hidden virus trade-off

A new study has revealed that while SARS-CoV-2 can weaken part of the body's early immune response, it may also unintentionally trigger another defense that helps cells fight back. A new collaborative study has revealed a ...

20 hours ago
Science X / A freezing mountain refuge reshapes early human survival, hinting at an unseen advantage

Archaeologists have identified the earliest sustained human occupation in Highland Southern Africa, and suggest it could not have existed without considerable collaboration at a time when we were becoming humans.

20 hours ago
Phys.org / Rare two-colored lobster caught by fishermen off Cape Cod donated to aquarium

It might be a divided lobster, but it has united New Englanders in fascination.

5 hours ago