<p>NASA&rsquo;s nuclear Mars mission, the Iran war&rsquo;s carbon fallout, the looming climate cost of rebuilding and a hopeful new Lyme vaccine</p>
Nuclear propulsion involves using nuclear reactions to generate thrust for spacecraft, offering the potential for faster travel times and greater efficiency compared to conventional chemical rockets. This technology is being explored for missions to distant planets, such as Mars, where traditional propulsion methods may be insufficient.
Carbon emissions are a significant contributor to climate change, primarily resulting from human activities such as burning fossil fuels and deforestation. Understanding the sources and impacts of carbon emissions is crucial for developing strategies to mitigate climate change and promote sustainable practices.