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Teamwork makes the dream work

A new study looked at how individual algae cells survive a full day of glaring sunlight. It showed that even though each cell behaves slightly differently, a group’s defense systems work as a team. This is a new way of seeing how living cells deal with stress.

The study, published in New Phytologist, details how researchers utilized glowing imaging techniques and machine learning to see what’s occurring inside Chlamydomonas reinhardtii — essentially a single-celled solar panel.

Rather than observing a whole bunch of cells at once, which averages everything out, checking one cell at a time showed that even genetically identical cells have different behaviors. It seems that some are better at handling bright light than their counterparts.

Within each cell, the sun-protection systems with two key defenses move in sync — like partners adapting together as the light intensifies. This is a new observation because typically scientists look at large groups of cells that suggest the protective systems are coordinated rather than independent.

This new approach could help researchers understand how all kinds of cells (not just algae) handle multiple stress responses.

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Secret climate weaponry

The muddy, coastal forests known as mangroves are turbo carbon-storage vaults, and recent research indicates that they also house black carbon — a remnant of fires that typically breaks down at a snail’s pace.

The carbon in the mangrove soils of the Zhangjiang Estuary in China was found to be made up of 17 percent burned carbon.

The deeper the soil, the more of this long-lasting carbon remains, showing its ability to hang round for a very long time.

A small portion is mobile, however, traveling out to sea which indicates that while mangroves store carbon, they also release it.

The plants are the key to all of this action as they help to trap more carbon that the soil conditions like texture and nitrogen contribute to its stability.

Ultimately, the research, published in Environmental and Biogeochemical Processes, indicates that mangroves may play a more vital role in climate protection than originally thought — vaulting carbon in the long term and its masked role in global carbon cycling.

More like this: Gift from the sea

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Phone fatigue

If your phone gives you the weekly update about how naughty you’ve been having spent 2.2 more hours on it than last week, it may need an attitude adjustment. A new study says that it’s not about the volume of screen time that impacts you — it’s how you use that time.

New research from Aalto University tracking 277 people over the course of seven months (and 13 million clicks and taps) finds that those who are constantly checking their phones in quick succession, think scroll, stop and scroll again, feel far more overwhelmed.

“Session sparseness,” or stop-start behavior, is akin to being interrupted every 30 seconds while trying to read a book. Your brain never gets into a cadence or rhythm and begins to feel overloaded.

Also of note, the content of what you’re observing isn’t relevant, it’s the continuous alternating that has a negative impact.

Desktops aren’t the main culprit though, it’s our phones.

The research indicates that the solution to our brains feeling less cluttered might be fewer check-ins, rather than less overall screen time.

More like this: Feeling anxious? Social media might be to blame

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Smooth operators

Solar power is a great source of green energy, but it can also be inconsistent.

When clouds pass over or the sunlight adjusts, solar-plant electricity outputs can move up and down like a volatile stock. This can make power-grid stability complicated.

A recent study from Khalifa University suggests that these volatilities can be tempered by allowing batteries and hydrogen storage to work together.

Batteries can manage and handle quick changes in power, while extra energy can be utilized to produce hydrogen. The hydrogen is then stored and later converted back into electricity with fuel cells.

This system’s control strategy constantly monitors battery charge, hydrogen levels and efficiency to determine how to share the workload in real time.

The simulations reveal that this method reduces battery degradation by approximately 50 percent while maintaining much smoother solar power flow to the grid.

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When songs go viral

You might think that music just hits the market and if the people like them, they go viral. But there’s a lot more at play here, and it’s not just the listeners who decide.

Music hits don’t just happen these days — the platforms where we listen to them are influential and play different roles in whether a song takes off.

A recent study comparing two years of top 100 charted music, from both Spotify and TikTok, reveals that the platforms reward different kinds of artists and kinds of music. Tracking over 1,700 Spotify hits and over 300 TikTok hits, they were able to diffuse how songs become famous.

On Spotify, major-label artists rule its charts, very much like the music industry. And songs about common themes like romance typically do well.

But TikTok is different. Its short video platform prefers catchy, danceable excerpts that patrons can repurpose in memes, trends or challenges. And when a song begins to head in the viral direction the algorithm pushes it harder. This means fewer songs dominate the charts, but those that do are around longer.

Notably, the study reveals that many viral TikTok songs began their popularity momentum on Spotify first. So, Spotify launches hits and TikTok makes a cultural moment out of it, exploding it across the internet.

These platforms are reshaping how today’s songs become hits.

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