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Pope Leo XIV has addressed tens of thousands of faithful near Angola's capital, Luanda, urging the country to overcome divisions and corruption during a landmark tour of Africa. Speaking at an open-air Mass on Sunday in the town of Kilamba, Leo addressed the country's civil war-scarred past, which he said has brought enmity and division, squandered resources and poverty.The pontiff arrived in the Portuguese-speaking nation on Saturday for the third leg of a four-nation tour of the continent, which began in Algeria and Cameroon and will also include a stop in Equatorial Guinea. At a meeting with Angolan officials, including President Joao Lourenco, Leo spoke out against the suffering and social and environmental disasters caused by the rampant exploitation of natural resources.Leo said he is not afraid of the Trump administration and will continue to speak out against war. The pope's rhetoric has put him at odds with Trump, who last week called the Catholic leader weak and terrible for foreign policy. Many people who attended the Mass at Kilamba arrived early in the morning in anticipation, with Sister Christina Matende saying, The pope coming here is a joy. We are living in a moment of a lot of difficulties, and we are waiting for the blessing of the pope.

Australia and Japan signed contracts in Melbourne on April 19, 2026 for the first three of 11 warships in a $7 billion defence deal, aiming to deepen bilateral security cooperation amid a tightening regional threat environment.Defence Minister Richard Marles and his Japanese counterpart Shinjiro Koizumi announced the agreement at a ceremony for the new Mogami‑class stealth frigates.The so‑called “Mogami Memorandum” pledges tighter military ties, including closer industrial cooperation on future defence projects.Japan’s Mitsubishi Heavy Industries will construct three of the frigates in Nagasaki Prefecture, while Australian shipbuilder Austal will produce the remaining eight in Western Australia.The first Japanese‑built vessel is slated for delivery in 2029 and entry into service by 2030, bolstering Australia’s surface fleet – a capability Marles described as “more important than at any time in decades.”Koizumi warned that a “increasingly severe security environment” makes deeper defence coordination essential for both nations.Australia’s recent decision to award the contract to Mitsubishi followed a competitive bidding process that also involved Germany’s Thyssenkrupp.In parallel, Canberra has pledged a record $305 billion in military spending over the next ten years, part of a broader overhaul that seeks to raise defence outlays to 3 % of GDP by 2033, the highest level since World War II.Both countries, close allies of the United States and members of the Quad security forum, have accelerated cooperation in response to China’s expanding influence and broader shifts in the Asia‑Pacific security landscape.

In the spirit of Carl Linnaeus, the father of taxonomy, a group of scientists has embarked on a mission to document the vast array of species that inhabit our planet. Through the lens of their cameras, they capture the intricate details of tiny wasps and the unique features of hairy plants, highlighting the incredible diversity of life on Earth.This photographic journey is not just about capturing images; it's about sharing a passion for biodiversity and species documentation. By doing so, these scientists aim to inspire a greater appreciation and understanding of the natural world, much like Linnaeus did centuries ago.Their work is a testament to the power of scientific research and environmental studies in promoting conservation and sustainability. Through their photographs, they provide a glimpse into the fascinating world of taxonomy and the importance of preserving our planet's ecological balance.

Marine expert Richard Land leads a 2026 effort to release more than 15 million juvenile oysters into the North Sea off Orkney, aiming to rebuild historic beds and spark a trophic cascade of climate and ecological benefits.The project, backed by the Green Britain Foundation, the Nature Restoration Fund, Marine Fund Scotland and North Bay Innovations, employs a novel on‑shore rearing technique that cultivates oysters on calcium‑carbonate‑enriched plates before deploying them on long lines at sea.According to Richard Land, the initiative will not only aid fish stocks but also support sea mammals, seabirds and the broader marine environment. He describes the scheme as a blueprint for wider oyster reintroduction across the UK and European waters.Historical oyster beds once covered areas the size of Wales in the North Sea. Over‑exploitation during the Industrial Revolution—Londoners alone ate an estimated 700 million oysters between 1840‑1850—combined with pollution, climate change and habitat removal, led to a “negative cascade” that devastated marine ecosystems.Researchers estimate the new 100‑hectare (247‑acre) reef could sequester up to 76 tonnes of CO₂ annually. Project backer Dale Vince notes that once natural spawning is re‑established, carbon capture could exceed this figure by over 1,000‑fold after about 15 years.Alistair Carmichael, Liberal Democrat MP for Orkney and Shetland, welcomed the plan, highlighting its dual promise of wildlife recovery and carbon sequestration. Philine Zu Ermgassen of the University of Edinburgh stressed that hatchery innovations are essential to produce sufficient local‑genetic stock for successful restoration.By re‑introducing native oysters, the scheme aims to create complex reefs that host scallops, molluscs, algae, seaweeds and numerous invertebrates, thereby revitalising marine biodiversity while contributing to climate mitigation.

The Lead: Tesla's Texas Expansion Tesla is expanding its fully driverless operations, expanding its robotaxi service to Dallas and Houston to join Austin as the third Texas market. Despite the rollout, the fleet size appears significantly smaller than in Austin, and safety metrics remain a critical point of scrutiny following 14 reported crashes in the initial market.The Event Details: Rolling Out in Dallas & Houston Tesla announced the expansion via social media, confirming that "Robotaxi is now rolling out in Dallas & Houston 🤠." The company released a video demonstrating vehicles navigating city streets without human monitors or drivers in the front seat. This move marks a significant step in Tesla's broader strategy to transition from a traditional automaker to a mobility-as-a-service provider, building upon the foundation established in Austin.Fleet Size Disparity: Austin vs. New Markets While the expansion is a strategic milestone, the scale of deployment reveals a stark contrast between markets. Crowdsourced data from the Robotaxi Tracker indicates that while Austin hosts 46 active vehicles, only a single vehicle is currently registered in both Dallas and Houston. This suggests that Tesla is prioritizing infrastructure and regulatory approval in its home state before aggressively scaling the fleet to new territories.Safety Implications and Regulatory Scrutiny The expansion comes at a time when safety remains a major hurdle for autonomous vehicle (AV) companies. A February filing revealed that Tesla's robotaxis in Austin have been involved in 14 crashes since the service launched. As Tesla pushes into major metropolitan areas like Dallas and Houston, regulators are likely to intensify their oversight, potentially demanding higher safety standards or clearer liability frameworks for fully driverless rides.The Future of Fully Autonomous Mobility The Dallas and Houston expansion signals Tesla's intent to dominate the autonomous driving market in the South. However, the disparity in fleet numbers suggests a cautious approach. We can expect Tesla to focus on optimizing its software and safety protocols in these new cities before a wider rollout. Ultimately, the success of this expansion will hinge on whether Tesla can reduce the accident rate in its existing markets to gain public trust and regulatory approval in high-density urban environments.

The surge in e-bike-related injuries and fatalities in the US has raised concerns among physicians, lawmakers, and pedestrians. E-bike injuries have increased from 1,600 in 2018 to 23,000 in 2022, with cities like New York, Tampa Bay, and California experiencing a significant rise in accidents.While some advocate for improved infrastructure to protect cyclists and pedestrians, others propose regulating e-bikes, such as requiring registration and license plates. The NYC E-Vehicle Safety Alliance is pushing for Priscilla's Law, which would mandate e-bike registration and license plates to enhance enforcement of speed limits.However, Transportation Alternatives opposes the legislation, arguing it would create a massive new agency and not necessarily improve safety. Instead, they advocate for public funding for bike sharing and expanding protected bike lanes.The debate highlights the challenges of balancing safety concerns with the growing popularity of e-bikes. E-bike sales have skyrocketed from 50,000 in 2018 to 527,000 in 2022, with the US e-bike market projected to grow from $4.4bn in 2026 to over $6.2bn by 2031.Cities are exploring various solutions, including delivery time standards and data requirements for delivery companies to address unsafe practices. The goal is to create a safer environment for all road users while accommodating the increasing demand for e-bikes.

A recent study funded by NASA has revealed that the Earth continues to get brighter every year, with a 16% increase in artificial light between 2014 and 2022. However, the progression has become increasingly volatile due to factors such as Covid-19, regulations on light pollution, and a faltering global economy.The study, conducted by researchers at the University of Connecticut (UConn), analyzed over 1.1 million satellite images taken over a nine-year period. The findings indicate that while some parts of the planet became dimmer, helping to offset a 34% overall rise in global radiance, others experienced significant brightening.Europe dimmed significantly due to efficiency regulations, while Venezuela lost more than 26% of its night-time light due to economic collapse. The Covid-19 pandemic also had an impact, with lockdowns, reduced industrial activity, and decreased tourism causing dimming in many areas.In contrast, Asia continued to lead all regions in brightening, with night-time light surging in China and northern India along with urban development. The study also revealed that energy conservation measures coincided with reduced light pollution in Paris and throughout France, which experienced a 33% dimming.The researchers used satellite images taken at approximately 1:30 am local time every day of the nine-year study period by NASA's Visible Infrared Imaging Radiometer Suite. The study's co-author, Zhe Zhu, described the experience as "like watching the heartbeat of the planet".The findings have significant implications for energy security and environmental sustainability. As Deborah Gordon, senior principal of the Rocky Mountain Institute's climate intelligence program, noted, "Understanding where gas is being wasted around the globe, and to have this data be public, is huge for energy, and economic and environmental security."

Marie-Louise Eta is set to make history on Saturday as the first female head coach of a men's team in the German football league. She will lead Union Berlin against FC Wolfsburg in the Bundesliga, a milestone moment that experts believe should serve as the beginning of long-overdue recognition for women's leadership skills and abilities in a male-dominated sport.Eta's appointment has garnered significant attention, with many hailing it as a breakthrough for women's roles in men's football. However, Eta herself wants the focus to shift away from her unique achievement and onto the game. 'I'm looking forward to the match starting and when it's finally about football,' she said in her first pre-match news conference as head coach.Eta's achievement is seen as a watershed moment, but experts stress that it should not be an exception. 'I think the turning point will come when this is not the exception, it's just accepted,' football expert Yvonne Harrison told Al Jazeera. Harrison, CEO of Women in Football, emphasized the need for a system to help build a conducive environment for women's progress in professional football.The underrepresentation of women in football, particularly in technical roles, remains a significant issue. While women like Stephanie Frappart, Salima Mukasanga, and Yoshimi Yamashita have refereed men's games, they are often relegated to administrative roles at the top level. Harrison believes that men have a responsibility to help create inclusive environments and that a good coach is a good coach regardless of gender.Eta, who has already committed to taking over Union Berlin's women's Bundesliga team, will be under tight scrutiny as Union plays their remaining five games of the season. With her experience as a player and coach, including winning the Champions League in 2010, Eta aims to bring success to the team and pave the way for more women in men's football.

In the wake of the latest ceasefire announcement, displaced Lebanese in Beirut have voiced deep uncertainty about whether the truce can be trusted. The residents, still coping with the aftermath of displacement, cite past broken agreements and the fragile security environment as reasons for their skepticism. While officials promote the ceasefire as a step toward stability, the affected population remains cautious, underscoring the broader challenge of rebuilding confidence in conflict‑ridden areas.