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Why are scientists putting coffee into concrete?

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Scientists have devised a method to recycle used coffee grounds to improve the strength of  concrete.

Engineers at RMIT University have discovered a method to significantly enhance the strength of concrete by nearly 30% by incorporating processed coffee grounds into the construction material.

This approach involves transforming discarded coffee grounds into biochar, a lightweight residue reminiscent of charcoal. This biochar then replaces a portion of the sand that is typically an essential ingredient in concrete production.

The inspiration for this pioneering technique stemmed from a laudable motive – to combat coffee waste in workplaces, according to the research team behind the innovation.

In a noteworthy collaboration, the researchers are currently partnering with local councils to envisage upcoming infrastructure projects, including the construction of walkways and pavements, which will employ this revolutionary concrete.

One of the most promising environmental aspects of this method is its potential to diminish coffee waste ending up in landfills, in addition to easing the demand for natural sand, a vital resource extensively used in the construction industry.

The National Food Waste Strategy Feasibility Study reveals that around 3% of the country’s annual greenhouse emissions stem from food waste. With approximately 75,000 tonnes of coffee waste being generated annually, the newly developed technique could notably contribute to waste reduction efforts.

Termed as pyrolysis, the method involves subjecting coffee waste to temperatures of about 350°C. Remarkably, the engineering team has managed to make this technique more energy-efficient by conducting the process at lower temperatures than customary.

Through careful experimentation, the researchers ascertained that by substituting 15% of the sand conventionally employed in concrete production with coffee biochar, the resulting material exhibited a remarkable surge in strength – an impressive 29.3% increase.

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Trump-Putin call fails to achieve Ukraine cease-fire

Trump and Putin’s call yielded no cease-fire agreement on Ukraine, with both sides urged to continue negotiations.

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Trump and Putin’s call yielded no cease-fire agreement on Ukraine, with both sides urged to continue negotiations.

In Short:
Trump and Putin discussed Ukraine’s conflict for two hours, but Putin refused a cease-fire, complicating U.S. mediation efforts. Despite Zelensky urging Trump for tougher sanctions and commitment, progress in negotiations remains limited.

President Trump and Russian President Vladimir Putin engaged in a two-hour phone call on Monday regarding the conflict in Ukraine.

Putin declined to agree to an immediate cease-fire, despite pressure from Ukraine and European leaders for the U.S. to remain involved in negotiations.

After the call, Trump suggested that the U.S. might reconsider its role in the peace process, emphasising that a deal must be reached directly between Moscow and Kyiv.

Putin’s refusal to accept a proposed 30-day cease-fire presents ongoing challenges to Trump’s attempts to mediate. Trump expressed hope for productive discussions but did not publicly advocate for tougher sanctions against Russia.

Firm commitment

Ukrainian President Zelensky briefed Trump prior to the call, urging him to secure a firm commitment from Putin. Following the discussion, Zelensky reiterated the need for increased sanctions and continued U.S. involvement to ensure that the situation does not favour Russia.

Putin indicated a willingness to work on a memorandum outlining terms for a potential peace agreement but reiterated demands for significant concessions from Ukraine, including military reductions and NATO policies.

Trump stated that both parties would initiate negotiations aimed at establishing a cease-fire and ending the war. Despite a recent meeting between mid-level officials from both countries, progress remains limited.

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Joe Biden diagnosed with aggressive prostate cancer

Joe Biden, 82, diagnosed with aggressive prostate cancer that has spread to his bones, confirmed by his team after health scrutiny led to his presidential race withdrawal.

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Joe Biden, 82, diagnosed with aggressive prostate cancer that has spread to his bones, confirmed by his team after health scrutiny led to his presidential race withdrawal.


Joe Biden diagnosed with aggressive prostate cancer. The 82-year-old former U.S. President is now battling cancer that has spread to his bones. Following a medical evaluation, Biden’s team confirmed the high-grade, hormone-sensitive cancer.

This comes after a year of mounting scrutiny over his health, ultimately leading him to withdraw from the presidential race.

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Trump to discuss cease-fire with Putin amid tensions

Trump to speak with Putin after failed peace talks in Istanbul, highlighting Russia’s resistance to cease-fire demands.

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Trump to speak with Putin after failed peace talks in Istanbul, highlighting Russia’s resistance to cease-fire demands.

In Short:
Peace in Ukraine is still uncertain as Russia shows little interest in serious negotiations, intensifying military actions instead. President Trump plans to call Putin to mediate, while European leaders rally support for Ukraine and push for stronger sanctions against Russia.

Peace in Ukraine remains elusive as recent talks in Istanbul revealed Russia’s reluctance to engage in a meaningful deal. President Trump plans a phone call with Putin on Monday, following discussions with Ukrainian President Zelensky and NATO leaders. These conversations come after Ukraine’s leaders showcased their willingness to negotiate, while European allies advised Zelensky on his engagement with Trump.

Putin’s absence from the talks and the choice of low-level representatives suggested a lack of serious intent to negotiate, particularly after rejecting Trump’s cease-fire proposal. As negotiations stalled, Russian military actions intensified, including a drone attack that killed nine civilians in Ukraine.

Putin’s demands for territorial concessions and military restrictions on Ukraine persisted, framing any cease-fire as advantageous only to Ukrainian forces. However, intelligence reports indicate Russia is regrouping for a potential renewed offensive.

European leaders united to support Ukraine, bolstered by a new German leadership willing to impose stricter sanctions on Russia. Their coordinated efforts aimed to showcase Putin’s refusal to engage, putting pressure on Trump to act.

Ultimately, the future of peace talks hinges on Putin’s response to Trump’s mediation efforts and the increasing pressure from European nations advocating for a firmer stance against Russian aggression, especially regarding energy exports. As diplomatic tensions rise, the international community watches closely.

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