M. Saleem

Coastal science | Climate change | Researching reef island dynamics @nusgeog

[Dave Throup @DaveThroup]

Bit of context for the “we used to call it Summer” brigade.

[Aakash Gupta @aakashgupta]

The EEG data in this study is more alarming than the headline suggests.

Researchers at Zhejiang University (n=48) found a significant negative correlation (r = -0.395, p = 0.007) between short video addiction scores and theta power in the prefrontal cortex during executive control tasks. Theta power in prefrontal regions is your brain's signature for sustained attention and impulse regulation. When it drops, you lose the ability to hold focus on anything that doesn't deliver immediate reward.

The mechanism is a dopamine loop operating at the ensemble level. Your prefrontal cortex doesn't process dopamine one neuron at a time. Dopamine triggers coordinated activity across entire neural ensembles that sustains for up to 20 minutes. Short-form video trains your system to expect a new dopamine burst every 15 to 60 seconds. Your prefrontal ensembles never get the sustained activation window they need to build the gamma oscillations required for deep focus.

Willpower fails here because the addiction itself degrades the circuitry responsible for self-control. The study also found MPSVATQ scores negatively correlated with self-control (r = -0.320, p = 0.026). The more addicted you become, the less neurological infrastructure you have available to stop. A self-reinforcing decay loop.

The protocol that actually reverses this targets the hardware, not the behavior. Morning sunlight exposure (10+ minutes) to reset circadian dopamine release. Sustained duration cardio to upregulate prefrontal BDNF and restore dopamine receptor sensitivity. Deliberate boredom, 20 to 30 minutes of zero stimulation, to allow prefrontal ensemble activity to recalibrate.

You can't outperform a dopamine deficit with discipline. Rebuild the substrate first.

[clickholebot @clickholebot]

When a coffee shop doesn’t open till 8 am

[USGS Coastal Change @USGSCoastChange]

"Nice shoreline you've got there. Be a shame if anything were to happen to it..." -The ocean

New @USGS research: Scalable, data-assimilated models predict large-scale shoreline response to waves and sea-level rise https://t.co/2i54Ce2olM

#sealevelrise #coastalchange

[Housing Development Corporation @hdcmaldives]

We are pleased to present the masterplan of Hulhumalé, and a tour of the island for the team from National University of Singapore.

@NUSgeog

#withHDC

[Marine Institute @MarineInst]

As Storm Éowyn approached Ireland, the Irish Marine Data Buoy Observation Network—managed by the Marine Institute & Met Éireann—recorded extraordinary ocean conditions.

📍 M3 Buoy (56km off the Cork coast):
🌊 Wave height: 20.15m - almost the length of a tennis court!

📍 M4 Buoy (83km off the Donegal coast):
🌊 Wave height: 18.75m

These data buoys withstood extreme conditions and continued to operate throughout the storm, delivering real-time data essential for weather forecasting, maritime safety, and climate research.

Learn more https://t.co/I4iZVxq4Oi

[TEDRY⚫️⚪️ @tedry]

In the exquisite Baa Atoll, there is a constellation of pearl shaped islands gracing the ocean. It is a wondrous sight to behold.

[USGS Coastal Change @USGSCoastChange]

Many beaches erode during large-wave winter conditions and recover during the summer. However, by analyzing large datasets of beaches from satellite imagery, new @USGS research finds that many CA beaches don't fit this paradigm: https://t.co/yseS6RBX5M #remotesensing

[Dylan O'Sullivan @DylanoA4]

10/10, no notes

[Dhivehi Archives by Naajih Didi @NaajihDidi]

#DhivehiArchives
A natural pool formed on the beach of Fainu Island, North Maalhosmadulu Atoll. These temporary pools are referred to as Kuda Moodhu on various islands in the Northern Maldives and Bissaaveli on Fuvahmulah Island in the South.

📸 Ibrahim Thoif

[IHE Delft 💧 Institute for Water Education @ihedelft]

The deadline for scholarships to our #ErasmusMundus Joint Master Degree programmes is approaching.

Scholarship opportunities available for EU countries, and Albania, Bosnia-Herzegovina, Kosovo, and Montenegro.

⏰ Deadline: 3 February 2025

More info: https://t.co/Kd8yl2W9SY

[dumbass👻🎃🧡💟☃️ @ungratefuljed]

the seafoam froze as the tide was going out today, not quite sure i’ve seen this before

[Mark Sudduth @hurricanetrack]

Snow covered Wrightsville Beach, North Carolina.

@foxweather @NWSWilmingtonNC

[aryn @aryngomx]

Pensacola Beach, FL. Snow on the beach is scary beautiful.

[USGS Coastal Change @USGSCoastChange]

You've probably heard a thing or two about #coralreefs. They're beautiful, teeming with diverse life. But they can also protect the lives and property of people. New @USGS research quantifies the benefits of restoring coral reefs in FL and PR: https://t.co/yEH1Bqx3mf

[Ahmed_Shabin @Ahm3dShabin]

Very munaasab video offering insights into the process behind creating a weather forecast.

https://t.co/kQ7yIobuAu

[Ahmed_Shabin @Ahm3dShabin]

Madden Julian Oscillation (MJO) explanation in dhivehi, from when MJO was active during an Aug 2024 episode.

https://t.co/rIz4d3a2iI

[Liberty 💚🥃 @LibertyRPF]

@DylanoA4 I was just talking about this yesterday with @TinkeredThinker and @nicktawil -- a webpage from 2002 that I randomly remembered as we were talking about talking walks: https://t.co/1JYIGGr2zg

[Ahmed_Shabin @Ahm3dShabin]

Current models suggest that the effects of this circulation are expected gradually from Monday, all the way through the weekend.

BUT, models are always subject to change with new runs with more & recent data. SO always follow the most recent @MetMaldives forecasts & alerts

[IHE Delft 💧 Institute for Water Education @ihedelft]

Providing safe drinking water to Kaafu Atoll & Maldivian outer islands is challenging. Island councils recently honed their skills in water safety planning, led by @asselapathirana of @IHEDelft

Read more: https://t.co/vaGFhiQZN4… 📷: Ishan@seefromthesky / Unsplash