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Dan Phiffer
Dan Phiffer boosted
Misha
@MishaVelthuis@social.edu.nl  ·  activity timestamp 3 weeks ago

Tip from @BartVerheggen

Tracking the atmospheric CO2 concentration throughout the last 800,000 years.

(Video downloaded from https://www.youtube.com/watch?v=UatUDnFmNTY)

#ClimateChange #CO2 #Greenhouse #ClimateScience #EarthScience

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Video visualizing the increase of the atmospheric CO2 concentration over the last 800,000 years.
Video visualizing the increase of the atmospheric CO2 concentration over the last 800,000 years.
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Misha
@MishaVelthuis@social.edu.nl  ·  activity timestamp 3 weeks ago

Tip from @BartVerheggen

Tracking the atmospheric CO2 concentration throughout the last 800,000 years.

(Video downloaded from https://www.youtube.com/watch?v=UatUDnFmNTY)

#ClimateChange #CO2 #Greenhouse #ClimateScience #EarthScience

Your browser does not support the video tag.
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Video visualizing the increase of the atmospheric CO2 concentration over the last 800,000 years.
Video visualizing the increase of the atmospheric CO2 concentration over the last 800,000 years.
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Anke
Anke boosted
Ele Willoughby, PhD
@minouette@spore.social  ·  activity timestamp last month

In this battle between pretty blue but very rare gemstones, I am voting Jeremejevite, which is pleochroic with colour changing with viewing angle and piezoelectric, over Haüyne, formed in magma chambers, even though it can fluoresce.

It’s a tough call. Art & physics arguments for both.

#MinCup25 #scicomm #minerals#EarthScience

Vote: https://www.mineralcup.org/2025/vote/r1m03

Rare Jeremevite and Alexandrite Ring
lakaka, Madagascar
via https://www.bonhams.com/auction/26600/lot/3037/rare-jeremevite-and-alexandrite-ring/
Rare Jeremevite and Alexandrite Ring lakaka, Madagascar via https://www.bonhams.com/auction/26600/lot/3037/rare-jeremevite-and-alexandrite-ring/
Rare Jeremevite and Alexandrite Ring lakaka, Madagascar via https://www.bonhams.com/auction/26600/lot/3037/rare-jeremevite-and-alexandrite-ring/
Ring in platinum with 2.48 ct. cushion cobalt blue spinel, 0.06 ct. t.w. hauyne, 0.28 ct. t.w. Paraiba tourmaline, and 0.22 ct. t.w. diamonds,
Via https://www.jckonline.com/editorial-article/omi-prive-hauyne/
Ring in platinum with 2.48 ct. cushion cobalt blue spinel, 0.06 ct. t.w. hauyne, 0.28 ct. t.w. Paraiba tourmaline, and 0.22 ct. t.w. diamonds, Via https://www.jckonline.com/editorial-article/omi-prive-hauyne/
Ring in platinum with 2.48 ct. cushion cobalt blue spinel, 0.06 ct. t.w. hauyne, 0.28 ct. t.w. Paraiba tourmaline, and 0.22 ct. t.w. diamonds, Via https://www.jckonline.com/editorial-article/omi-prive-hauyne/
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Ele Willoughby, PhD
@minouette@spore.social  ·  activity timestamp last month

In this battle between pretty blue but very rare gemstones, I am voting Jeremejevite, which is pleochroic with colour changing with viewing angle and piezoelectric, over Haüyne, formed in magma chambers, even though it can fluoresce.

It’s a tough call. Art & physics arguments for both.

#MinCup25 #scicomm #minerals#EarthScience

Vote: https://www.mineralcup.org/2025/vote/r1m03

Rare Jeremevite and Alexandrite Ring
lakaka, Madagascar
via https://www.bonhams.com/auction/26600/lot/3037/rare-jeremevite-and-alexandrite-ring/
Rare Jeremevite and Alexandrite Ring lakaka, Madagascar via https://www.bonhams.com/auction/26600/lot/3037/rare-jeremevite-and-alexandrite-ring/
Rare Jeremevite and Alexandrite Ring lakaka, Madagascar via https://www.bonhams.com/auction/26600/lot/3037/rare-jeremevite-and-alexandrite-ring/
Ring in platinum with 2.48 ct. cushion cobalt blue spinel, 0.06 ct. t.w. hauyne, 0.28 ct. t.w. Paraiba tourmaline, and 0.22 ct. t.w. diamonds,
Via https://www.jckonline.com/editorial-article/omi-prive-hauyne/
Ring in platinum with 2.48 ct. cushion cobalt blue spinel, 0.06 ct. t.w. hauyne, 0.28 ct. t.w. Paraiba tourmaline, and 0.22 ct. t.w. diamonds, Via https://www.jckonline.com/editorial-article/omi-prive-hauyne/
Ring in platinum with 2.48 ct. cushion cobalt blue spinel, 0.06 ct. t.w. hauyne, 0.28 ct. t.w. Paraiba tourmaline, and 0.22 ct. t.w. diamonds, Via https://www.jckonline.com/editorial-article/omi-prive-hauyne/
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The Japan Times
@thejapantimes@mastodon.social  ·  activity timestamp 2 months ago

After a powerful earthquake struck off the coast of the Kamchatka Peninsula in Russia, tsunami centers along the Pacific coastline warned of the potential for colossal waves, but they never transpired. https://www.japantimes.co.jp/environment/2025/07/31/earth-science/powerful-earthquake-weak-tsunami/?utm_medium=Social&utm_source=mastodon #environment #earthscience #tsunami #oceans #earthquakes #kamchatka

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The Japan Times
@thejapantimes@mastodon.social  ·  activity timestamp 2 months ago

A new radar satellite, successfully launched Wednesday, will track tiny shifts across almost all of Earth’s land and ice regions, measuring changes as slight as a centimeter. https://www.japantimes.co.jp/environment/2025/07/31/earth-science/earth-surface-new-satellite/?utm_medium=Social&utm_source=mastodon #environment #earthscience #nasa #earthquakes #tsunami #satellites

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The Japan Times
@thejapantimes@mastodon.social  ·  activity timestamp 3 months ago

Scientists present at the latest effort to hash out international rules for deep-sea mining say it's unclear if it's possible to restore damaged sea floor ecosystems — or how long it would take. https://www.japantimes.co.jp/environment/2025/07/20/earth-science/sea-floor-mining-warning/?utm_medium=Social&utm_source=mastodon #environment #earthscience #oceans #mining #coral

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