Marine iguanas are the only modern lizards that hunt for food above and below water. Due to natural selection, they have adapted to survive in deep underwater meadows. With the ability to hold their breath for half an hour and sharpen their claws to grip slippery rocks, they are able to thrive in the chilly underwater temperatures that many cold-blooded reptiles could not survive.
Four measures could have affected shootings that killed 446 people since the Columbine massacre in 1999.
Finland is a Northern European nation bordering Sweden, Norway and Russia. Its capital, Helsinki, occupies a peninsula and surrounding islands in the Baltic Sea. Helsinki is home to the 18th-century sea fortress Suomenlinna, the fashionable Design District and diverse museums. The Northern Lights can be seen from the country’s Arctic Lapland province, a vast wilderness with national parks and ski resorts.
Most of us are aware of the hive mind—the power of bees as an amazing collective. But do we know how uniquely intelligent bees are as individuals? In The Mind of a Bee, Lars Chittka draws from decades of research, including his own pioneering work, to argue that bees have remarkable cognitive abilities.
He shows that they are profoundly smart, have distinct personalities, can recognize flowers and human faces, exhibit basic emotions, count, use simple tools, solve problems, and learn by observing others. They may even possess consciousness. Taking readers deep into the sensory world of bees, Chittka illustrates how bee brains are unparalleled in the animal kingdom in terms of how much sophisticated material is packed into their tiny nervous systems.
He looks at their innate behaviors and the ways their evolution as foragers may have contributed to their keen spatial memory. Chittka also examines the psychological differences between bees and the ethical dilemmas that arise in conservation and laboratory settings because bees feel and think. Throughout, he touches on the fascinating history behind the study of bee behavior. Exploring an insect whose sensory experiences rival those of humans, The Mind of a Bee reveals the singular abilities of some of the world’s most incredible creatures.
Let us take you on a trip to Luxembourg, a tiny little country that borders Germany, Belgium and France. In the capital, which is also called Luxembourg, we asked locals for their top travel tips. In Luxembourg, they speak German, French, and Luxembourgish – luckily, we’re up for it language-wise.
Sorrento is a coastal town in southwestern Italy, facing the Bay of Naples on the Sorrentine Peninsula. Perched atop cliffs that separate the town from its busy marinas, it’s known for sweeping water views and Piazza Tasso, a cafe-lined square. The historic center is a warren of narrow alleys that’s home to the Chiesa di San Francesco, a 14th-century church with a tranquil cloister.
Emma Nelson and the weekend’s biggest discussion topics. Andrew Walker reviews the day’s papers and we get an update from Paris after Monocle’s annual Quality of Life Conference.
Vulnerability to heart disease can be projected before symptoms occur, Mayo Clinic discovered in preclinical research. This proof-of-concept study revealed that heart muscle changes indicate who is vulnerable to disease later in life. These changes can be detected from blood samples through comprehensive protein and metabolite profiling. This exploratory mapping, conducted in the Marriott Family Comprehensive Cardiac Regenerative Program within Mayo Clinic’s Center for Regenerative Medicine, is published in Scientific Reports.
“The team implemented state-of-the-art technologies to predict who is vulnerable and who is protected from heart disease,” says Andre Terzic, M.D., Ph.D., a Mayo Clinic cardiologist and the senior author. “In this era of post-genomic medicine, the acquired foundational knowledge provides guidance for development of curative solutions targeted to correct the disease-causing maladaptation.” Dr. Terzic is the Marriott Family Director, Comprehensive Cardiac Regenerative Medicine, for the Center for Regenerative Medicine and the Marriott Family Professor of Cardiovascular Research.
Fiber is known for keeping your digestive system healthy and lowering cholesterol levels. Now, study findings suggest it also may protect the brain from dementia.
The study involved approximately 3,700 healthy adults, ages 40 to 64, who completed routine dietary surveys for 16 years. Researchers then monitored the participants for two decades to see which ones developed dementia. The study revealed that people who consumed the most daily fiber had the lowest rates of dementia. The reverse also was true — those who ate the least fiber had the highest rates. Specifically, the low-risk group consumed an average of 20 grams daily, while those with the highest risk averaged only 8 grams. (The USDA recommends that men over age 50 eat 30 grams of fiber daily.)