Science10 hr ago
Natural Powder Offers Fast Relief from Yard Ants
A common household powder may be the key to getting rid of ants in your yard without using harsh chemicals. Diatomaceous earth, a fine powder made from fossilized algae, is gaining attention as a natural pest control method. It works by damaging the outer shell of insects, causing them to dry out and die. Unlike vinegar, which only disrupts ant scent trails, this powder directly attacks the ant's body. To be effective, it must be applied in dry conditions because moisture reduces its ability to harm insects. Simply sprinkle the powder around ant hills or along paths where ants travel. Within about 15 minutes, ants begin to die as the powder sticks to their bodies and absorbs the oils from their exoskeletons. This approach is considered safe for use around pets and children as long as it is not inhaled in large amounts. Diatomaceous earth offers a science-based alternative for those looking to avoid chemical pesticides. It does not kill on contact but works over a short period, making it both effective and environmentally friendly. Users should reapply after rain or watering. This method provides a straightforward way to manage ant problems without the strong smells or potential hazards of chemical sprays.
Times of India
Science1 days ago
Heatwave kills mussels and clams in Po Delta lagoon
A severe heatwave is causing mass die-offs of mussels and clams in the Po Delta region of Italy. The Sacca di Goro, a lagoon in the delta, has reached water temperatures of 32 degrees Celsius, turning it into what experts describe as a giant stewing pot. This extreme heat is lethal for shellfish, which cannot survive such high temperatures. The die-off threatens local fishing communities that rely on these species for their livelihoods. The Po Delta is a crucial area for aquaculture, producing large quantities of clams and mussels. This event is another example of how rising temperatures due to climate change are impacting marine ecosystems and the people who depend on them. Authorities are monitoring the situation, but the immediate outlook is grim as the heatwave continues. This is not the first time high temperatures have caused problems in the area, but the current conditions are particularly severe. The loss of shellfish could have long-term ecological and economic consequences for the region.
ANSA English
Science1 days ago
South Carolina Fights Invasive Hornets Threatening Bee Colonies
Yellow-legged hornets, an invasive species from Asia, are spreading across South Carolina’s Lowcountry region, putting local honeybees at risk. The hornets attack honeybee hives, killing bees and destroying colonies, which threatens the area's honey crop. In response, a state team of bee defenders is racing to control the invasion. The team sets up traps and tracks nests to eliminate the hornets before they can cause more damage. These hornets, also known as Asian hornets, have become a growing problem in parts of the United States. They are aggressive predators of honeybees and other pollinators. The loss of honeybees would hurt not only honey production but also the pollination of many crops. South Carolina’s efforts are part of a larger battle to protect native and managed bee populations from invasive species. The team faces challenges as the hornets spread quickly and can be hard to find. Officials urge the public to report sightings. The situation highlights the need for continued vigilance against invasive pests that threaten agriculture and ecosystems.
NYT
Science1 days ago
Invasive Asian Mantises Spread Across Europe, Threatening Local Wildlife
Two species of praying mantis from Asia are rapidly expanding their range across Europe, raising concerns among scientists. These invasive insects are known to prey on local pollinators like bees and butterflies, as well as small endangered wildlife such as frogs and lizards. The mantises thrive in urban areas and are able to move northward as rising global temperatures create more favorable conditions. Researchers warn that their spread could disrupt ecosystems and harm already vulnerable species. To address the problem, experts are urging people to participate in citizen science projects to track the mantises. Simple actions, such as removing the insects’ egg cases during the winter, can help reduce their numbers. The egg cases are often found on plant stems or building walls. By staying vigilant and reporting sightings, ordinary citizens can play a key role in managing these aggressive predators. The situation highlights how climate change and human activity can combine to spread invasive species. Conservationists stress that early detection and community involvement are critical to protecting Europe’s native biodiversity.
Times of India
Science1 days ago
El Niño Threatens Andhra Pradesh with Heat and Drought
Andhra Pradesh is facing a potential climate challenge as the El Niño weather pattern approaches. Experts warn that the state may experience severe heatwaves and below-average rainfall, testing its disaster preparedness. El Niño, a natural climate phenomenon marked by warming of the Pacific Ocean, often disrupts global weather. In India, it typically leads to weaker monsoon rains and higher temperatures. For Andhra Pradesh, an agrarian state heavily reliant on monsoon rainfall, this could mean crop failures and water shortages. Officials are urged to review contingency plans, including water management and health measures for heatwaves. The state has faced similar challenges in past El Niño years, but rapid urbanization and population growth now increase vulnerability. While meteorologists monitor conditions, farmers and residents are advised to prepare for potential dry spells. The government is expected to issue advisories and coordinate with local agencies to mitigate impacts. Proactive steps, such as ensuring drinking water supply and emergency cooling centers, are critical. The upcoming months will reveal how well Andhra Pradesh copes with this natural test.
The Hindu
Science1 days ago
June Heatwave in England and Wales Caused Hundreds of Deaths Per Day, Study Estimates
A new analysis reveals that a June heatwave in England and Wales led to around 440 deaths per day during its three-day peak. The extreme temperatures in May and June together are estimated to have caused about 2,700 premature deaths. Scientists say the climate crisis intensified the heat, adding 3 to 4 degrees Celsius to the temperatures.
The study highlights the growing danger of extreme heat driven by human-caused global warming. More than 40% of the deaths would not have occurred without the 1.4 degrees Celsius of global heating that has already happened. For context, about four people die daily in road traffic accidents in Great Britain, and around 35 die from alcohol and drug use, according to official statistics.
The findings underscore how heatwaves, which are becoming more frequent and severe due to climate change, pose a serious public health risk. The analysis was conducted by researchers who used data on temperature and mortality to estimate the impact. While the exact number of deaths may vary, the study provides a stark reminder of the dangers of extreme heat and the urgency of addressing climate change.
The Guardian