Making concrete requires massive off-gassing of CO2 from limestone, plus a gigantic amount of energy (ie fossil fuels). If they can capture some CO2 in their product, great. However, I doubt this can do much to offset the concrete industry’s gigantic carbon footprint. Sorry if I’m being too negative, but I’ve never seen a carbon capture technology that can balance their chemical equations.

Lime (CaO+H2O—>Ca(OH)2) is derived from limestone (CaCO3). So, you need to release CO2 to make lime, which can then capture CO2 again. No net gain of CO2 fixation.

The sooner people accept that carbon sequestration will require enough energy to reduce CO2 back to hydrocarbons, the sooner we will accept that the elimination fossil fuels is inevitable.

If acidified.

Question is, where are they getting the sodium (Na)? If they expect to take it from abundant salt (NaCl), then they are left with an excess of acid. That acid either needs to be stored perpetually, or it will eventually liberate the CO2 (as you say)

If there is some natural source of NaOH (a strong base) somewhere, then the CO2 can be sequestered. However, I have never heard of a caustic mine. If they plan to take it from something neutral like salt, then they have an acid storage problem.

The alternatives are potassium (K), calcium (Ca) and magnesium (Mg), but similarly, they are naturally found as salts, in combination with acids that we would rather not release.

Article says not quite the same. 3 mirrors of objects behind, rather than 4 when lensed by a black hole.

Your immune system has rhythms. There are a whole zoo of different immune cell types in your blood. The immune system is like a bunch of liquid organs, each with many cell types. Many cell types which are derived from bone marrow have a tendency to return to the bone during the day. They go home. Circulating cells found in a blood draw, such as neutrophils, can increase by 2 fold at night. At night more immune cells are on active duty.

Unfortunately, war can relieve the CCP’s economic and authority problems, and China’s gender imbalance. We will need to be very persuasive to avoid this outcome.

Similar, but worse

The Middle East was green and wet 2000 years ago. Now it’s a desert.

So, a bit like Mordor.

Fig. 6. Cartoon summarizing observations. Eruptions and intrusions at Kīlauea cause pressure gradients to rapidly propagate through the Kīlauea transport structure to the Pāhala sill complex. Magma is injected into the Pāhala sill complex from the underlying magma- bearing volume; the sills are proximal to the plagioclase-spinel phase boundary, possibly in a polyphase coexistence region. The sills are connected to Kīlauea and the decollement/Ka‘ōiki region within the Mauna Loa edifice along continuous bands of seismicity.

“Which meant, in Ancient Greek, city of brotherly love”

My kids are the same. Disney movies always kill-off parents. Why?

Shaun the Sheep, and all the Aardman films, are great. The newest Shaun the Sheep movie “Farmageddon” is our favourite.

Yes. Those pedals are just decorations. Doubtful the seat or pedals are in the correct position for anyone. Doesn’t look very adjustable.

Why use a well known and well understood concept (epigenetics) when you can repurpose a completely different word from a very different branch of science? 🤔

Seems more like a missing root, in this case.

We at least need to bury the notion that the earth will ever create more coal from atmospheric carbon dioxide. Coal deposition stopped when fungi learned how to eat wood, and the carbon budget hasn’t been the same since.