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Pavlovian Experiments on Locusts Provide New Clues on How Smell Works in The Brain

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From the fragrance of brewing coffee to the smell of rain soaking the soil, distinguishing scents is one of the reasons that having a sense of smell is wonderful. But how smells such as coffee can be understood by our brain, no matter the season, location, or time is a complex question to answer. There’s … Read more

These Ancient ‘War Donkeys’ Were Likely The 1st Human-Bred Hybrid Animals

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Mesopotamians were using hybrids of domesticated donkeys and wild asses to pull their war wagons 4,500 years ago – at least 500 years before horses were bred for the purpose, a new study reveals.   The analysis of ancient DNA from animal bones unearthed in northern Syria resolves a long-standing question of just what type of animals … Read more

Perseverance Has Run Into a Problem on Mars: Pebbles

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A small pile of pebbles is clogging up the Perseverance Mars rover’s operations.   The rover, which is collecting rock samples for eventual return to Earth, began to struggle on Dec. 29, after extracting a core from a rock the mission team nicknamed “Issole.”   According to a NASA blog, the problem occurred in the device that transfers … Read more

Scientists Found a Healthier Way to Cook Broccoli, But There’s a Catch

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In recent years, broccoli has gained a reputation as an excellent vegetable due to its high levels of a particularly beneficial compound called sulforaphane. With some early-stage studies showing how this compound plays a role in blood sugar control and potentially even has anti-cancer benefits, it’s no wonder that broccoli pills are on the rise. … Read more

A Common Virus Can Trigger Multiple Sclerosis, According to Huge New Study

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Multiple sclerosis – an autoimmune disease that affects the brain and spinal cord – may emerge after infection with Epstein-Barr virus (EBV). An estimated 90 to 95 percent of people catch EBV, also called human herpesvirus 4, by the time they reach adulthood, according to the clinical resource UpToDate.   In children, the virus typically causes an asymptomatic or … Read more

Latest Study Finds No Trace of Aliens in 4-Billion-Year-Old Martian Meteorite

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To date, we’ve found over a hundred precious Mars rocks that have travelled from the red planet and landed on Earth at some point. Among those, specimen ALH84001 might well be one of the most enigmatic.   This meteorite fragment was picked up during a snowmobile ride in the ice field of Alan Hills in Antarctica … Read more

60 Million Fish Nests in Antarctica Found in Single Largest Breeding Colony to Date

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Scientists onboard an icebreaker in Antarctica were blown away when they spied a trove of 60 million icefish nests dotting the floor of the Weddell Sea. The bonanza of nurseries – each guarded by a ghostly looking parent – represents the largest known breeding colony of fish.   Autun Purser of the Alfred Wegener Institute was on the … Read more

Last 9 Years Are Now Among 10 Hottest Ever Recorded

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The nine years spanning 2013-2021 all rank among the 10 hottest on record, according to an annual report a US agency released Thursday, the latest data underscoring the global climate crisis.   For 2021, the average temperature across global surfaces was 1.51 degrees Fahrenheit (0.84 degrees Celsius) above the 20th-century average, making the year the … Read more

New Evidence Challenges The Idea That Mutations Are Entirely Random

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It’s a common misconception that evolution has a sense of direction – a notion that biology nerds around the world are constantly trying to correct. But new research reveals there may be a semblance of truth to this misconception, at least more than we ever realized.   While it’s not as straightforward as mutation with … Read more

Scientists Have Detected a Faint Hint of The Background Hum of The Universe

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Ever since scientists made the first detection of gravitational waves from a pair of colliding black holes in 2015, evidence has been growing that the Universe ought to be full of them.   Every massive event – every black hole or neutron star merger, every supernova – should have sent gravitational waves ringing out across … Read more