The new catalyst features a copper chloride unit bound to a bulky, chiral phosphine ligand that modulates its reactivity. When activated by light, the excited catalyst engages in a single electron ...

SANTIAGO (Reuters) - Codelco, Chile's state-owned copper producer, boosted production in the first three months of 2025 and was still bullish about long-term prospects for global demand despite an ...

The summer sun has brought with it a brand new hair colour trend — copper, a colour that’s much more forgiving to Indian hair textures and skin tones than its ashy blonde predecessor.

The track inspection and maintenance that was already necessary is now taking longer because of copper wire theft. RELATED: Judge sides with VTA, orders union workers strike to end; partial ...

Every year across the Islamic world, there is one month when the rhythms of time seem to change: Ramadan. Patience and generosity overtake the hustle and bustle. The usually frenetic daytime ...

Zinc acetate (CASR# 557-34-6), zinc carbonate (CASR# 3486-35-9), zinc chloride (CASR# 7646-85-7), zinc chromate ... Brass, an alloy with copper, is an example. Zinc is insoluble in water but reacts ...

A new copper-free high-temperature superconducting oxide, (Sm-Eu-Ca)NiO₂, has been synthesized, exhibiting superconductivity at approximately 40 K under ambient pressure.

Wisconsin's biggest and best waterfalls: Big Manitou, Copper Falls and more Some of the state's best waterfalls are clustered in the northwestern part of the state, anchored by Wisconsin's tallest ...

ISLAMABAD: As a formal feasibility study confirmed more than $60 billion worth of copper and gold reserves at the Reko Diq project in Balochistan at prevailing prices, three state-owned energy ...