Dow AgroSciences, which sells seeds and pesticides to farmers, made contradictory claims to different parts of the U.S. government about its latest herbicide. The Environmental Protection Agency just found out, and now wants to cancel Dow’s legal right to sell the product. The herbicide, which the company calls Enlist Duo, is a mixture of two chemicals […]
The intensity of Earth’s geomagnetic field has been dropping for the past 200 years, at a rate that some scientists suspect may cause the field to bottom out in 2,000 years, temporarily leaving the planet unprotected against damaging charged particles from the sun. This drop in intensity is associated with periodic geomagnetic field reversals, in […]
Faced with a raw materials scarcity due to climate change, food and drink giants have turned to a sustainable management in order to protect the environment and ensure their future viability. The global population is expected to rise from 7.3 billion today to 9.7 billion in 2050, according to UN projections. As a consequence, according […]
Two centuries after its invention, the ubiquitous stethoscope may be on the way out — a smaller device connected through an app to smartphones may replace the old Y-shaped instrument. The new portable device is named HeartBuds. “They not only detect sounds inside the body just as well — or better — than traditional stethoscopes, […]
Liberia and Sierra Leone, two of the countries worst affected by the Ebola outbreak, are now virus-free according to the World Health Organisation. On 7 November, Sierra Leone had gone 42 days without any new cases of Ebola, allowing the World Health Organisation (WHO) to declare the country free of the virus. It is an important […]
Geoscientists have for the first time revealed the magma plumbing beneath Mount St. Helens, the most active volcano in the Pacific Northwest. The emerging picture includes a giant magma chamber, between 5 and 12 kilometers below the surface, and a second, even larger one, between 12 and 40 kilometers below the surface. The two chambers […]
The fires that blazed in Indonesia’s rainforests in 1982 and 1983 came as a shock. The logging industry had embarked on a decades-long pillaging of the country’s woodlands, opening up the canopy and drying out the carbon-rich peat soils. Preceded by an unusually long El Niño-related dry season, the forest fires lasted for months, sending […]
Annual snow accumulation on West Antarctica’s coastal ice sheet increased dramatically during the 20th century, according to a new study published today (Wednesday 4 November) in the American Geophysical Union journal Geophysical Research Letters. The last three decades saw more snow build up on the ice sheet than at any other time in the last 300 years. The […]
Imagine you are a parent, and that out of the blue, you get a letter from your child’s school telling you not to worry — that they’re ready to evacuate or shelter in place if an underground fire at a nearby landfill reaches radioactive waste on the same property. That’s pretty much what happened recently […]
Genetic data show the grizzly bear population in the Greater Yellowstone Ecosystem has grown since the 1980s with no loss in genetic diversity, according to a report by the Interagency Grizzly Bear Study Team. Results indicate that the effective population size of Yellowstone grizzly bears, or the number of individuals that contribute offspring to the […]
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