Science - Khabar 24x12

In 2010, US scientists released dye into Montana’s Missouri River and tracked it across 41.2 miles; one reservoir held the plume for 8.2 hours, helping predict chemical-spill timing

S Bhinder1 week ago04 mins

[ad_1] Representative Image (AI-generated) A river can carry a contaminant far beyond the point where it enters the water, but predicting exactly how quickly that material will travel is not always straightforward. In 2010, scientists with the U.S. Geological Survey (USGS), working with the Montana Department of Environmental Quality, conducted a dye-tracing experiment on a…

2,800+ wolves killed, nearly $10 million spent and 15 caribou herds still at risk: Why scientists say British Columbia is targeting the wrong problem

S Bhinder1 week ago09 mins

[ad_1] Since 2015, British Columbia has killed 200-300 wolves annually to help endangered caribou populations recover. Recently, the provincial government has proposed extending its decade-long wolf cull program by five more years in areas that are home to 15 declining woodland caribou herds. But according to scientists, the deforestation, not the wolves, is the main…

Quote of the day by Marie Curie: “I have no dress except the one I wear every day. If you are going to be kind enough to…” – a timeless lesson on choosing purpose over appearance |

S Bhinder1 week ago07 mins

[ad_1] Quote of the Day by Marie Curie Marie Curie is remembered as one of the most important scientists in modern history, yet a single letter from 1895 offers a genuinely striking glimpse into her real priorities. Ahead of her marriage to Pierre Curie in July that year, someone had offered to give her a…

photo rainbow trout image credit cwseducation

In 2003, crews began removing non-native fish from the Grand Canyon; by 2006 rainbow trout’s share of the catch had fallen from about 90% to under 10%

S Bhinder1 week ago04 mins

[ad_1] In the depths of the Grand Canyon, scientists were trying to give native fish a better chance of survival, by taking other fish out of the Colorado River. A four-year fish-removal experiment conducted between 2003 and 2006 dramatically changed the composition of fish being caught in one section of the river. According to a…

Scientists rediscover a ‘ghost’ green mamba hidden in a Polish museum for decades after its 1885 discovery |

S Bhinder1 week ago04 mins

[ad_1] A green mamba specimen from São Tomé Island that dates back to 1885 has been found after decades of being regarded as lost, which gives scientists a rare opportunity to revisit the identity of one of the Gulf of Guinea’s most mysterious snakes. Adolfo Möller found the specimen during an expedition to the island,…

Meet the ‘Turtle Women’ of Amazon: 7 Indigenous women are bringing vulnerable river turtles back from the brink after releasing 208 baby turtles into the wild |

S Bhinder1 week ago06 mins

[ad_1] Seven Indigenous Siekopai women in Ecuador’s Amazon are using ancestral knowledge, modern technology and community-led conservation to give vulnerable river turtles a better chance of survival. Known as the Tari Nomiowa’i, or “Turtle Women”, the group patrols the banks of the Aguarico River in search of charapa turtle nests, carefully collects eggs threatened by…

Your AI may soon be able to pay for things through UPI without asking every single time: Here is how India plans to control it

S Bhinder1 week ago03 mins

[ad_1] India’s digital payment journey has evolved from passwords, PINs and OTPs to fingerprints and facial authentication, making transactions faster and more seamless. Now, with AI, the next step could be completely hands-free payments, where systems recognise users, assess transactions and authenticate payments almost invisibly.The country may allow AI agents to make small UPI payments…

A fungus turns beetles into zombies and makes them die on flowers; scientists say the timing helps infect the next generation |

S Bhinder1 week ago04 mins

[ad_1] A fungus infecting goldenrod soldier beetles can alter their behaviour before death and cause changes to their bodies afterwards. Researchers investigating Eryniopsis lampyridarum found infected Chauliognathus pensylvanicus beetles clamped their mandibles tightly onto flower heads shortly before dying. Between 15 and 22 hours after death, the fungus caused the beetles to raise their hardened…

Scientists turned discarded crab shells into a biodegradable zinc battery that stayed 99.7% efficient after 1,000 charging cycles |

S Bhinder1 week ago06 mins

[ad_1] A crab shell left behind after a meal might seem destined for the bin, but scientists have found a very different use for it. Engineers at the University of Maryland have turned material derived from discarded crustacean shells into part of a zinc battery, using chitosan to make its electrolyte. The unusual ingredient is…

both mcdermott lake and sandy beach lake had previously supported natural walleye recruitment

In 2018, scientists began removing about 285,000 fish from Wisconsin’s McDermott Lake; 4 years later yellow perch were up 788%, but walleye recruitment was still zero

S Bhinder1 week ago04 mins

[ad_1] Both McDermott Lake and Sandy Beach Lake had previously supported natural walleye recruitment. Scientists removed about 285,000 warm-water fish from a Wisconsin lake over four years in an attempt to help its declining walleye population recover. The large-scale experiment reduced several fish species and was followed by a sharp rise in yellow perch. However,…