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Thanks to humans, Salish Sea waters are too noisy for resident orcas to hunt successfully

The Salish Sea—the inland coastal waters of Washington and British Columbia—is home to two unique populations of fish-eating orcas, the northern resident and the southern resident orcas. Human activity over much of the 20th century, including red.....»»

Category: topSource:  physorgSep 10th, 2024

DNA confirms these 19th-century lions ate humans

“Tsavo Man-Eaters” killed dozens of people in late 1890s, including Kenya-Uganda Railway workers. For several months in 1898, a pair of male lions turned the Tsavo region of K.....»»

Category: topSource:  arstechnicaRelated NewsOct 17th, 2024

How the invasive spiny water flea spread across Canada, and what we can do about it

Across the tranquil waters of Canada's vast network of lakes and rivers, a quiet invader is on the move. The spiny water flea, Bythotrephes cederströmii, is a microscopic predator that is forever altering the ecological fabric of aquatic habitats in.....»»

Category: topSource:  physorgRelated NewsOct 17th, 2024

Humans have near-equal numbers of male and female babies, unlike many other animals—a new genetic study looks for clues

We know that boys and girls are produced in much the same frequency. But how—and why—is this 1:1 ratio achieved?.....»»

Category: topSource:  physorgRelated NewsOct 17th, 2024

Coastal cities have a hidden vulnerability to storm-surge and tidal flooding that"s entirely caused by humans

Centuries ago, estuaries around the world were teeming with birds and turbulent with schools of fish, their marshlands and endless tracts of channels melting into the gray-blue horizon......»»

Category: topSource:  physorgRelated NewsOct 17th, 2024

DNA confirms these 19th century lions ate humans

“Tsavo Man-Eaters” killed dozens of people in late 1890s, including Kenya-Uganda Railway workers. For several months in 1898, a pair of male lions turned the Tsavo region of K.....»»

Category: topSource:  arstechnicaRelated NewsOct 16th, 2024

Human Origins Look Ever More Tangled with Gene and Fossil Discoveries

Fossil and gene discoveries paint an ever-more-intertwined history of humans combining with vanished species like Neandertals.....»»

Category: scienceSource:  sciamRelated NewsOct 16th, 2024

Global temperature analysis reveals deep ocean marine heat waves are underreported

While marine heat waves (MHWs) have been studied at the sea surface for more than a decade, new research published today in Nature has found 80% of MHWs below 100 meters are independent of surface events, highlighting a previously overlooked aspect o.....»»

Category: topSource:  marketingvoxRelated NewsOct 16th, 2024

Genome sequencing could unlock answers to yellow jacket behavior

The most recognizable yellow jacket at Georgia Tech is made of fabric and foam, but Professor Mike Goodisman and a team of researchers revealed a far more complex cellular structure by successfully sequencing the genome of two local species of yellow.....»»

Category: topSource:  marketingvoxRelated NewsOct 16th, 2024

Dutch students warn space mission of noisy white dwarfs

The background noise of gravitational waves from orbiting white dwarf stars will be stronger than the noise from binary black holes. This is what two Dutch master's students and their supervisor predict in two papers in anticipation of the LISA space.....»»

Category: topSource:  pcmagRelated NewsOct 16th, 2024

Reports: Tesla’s prototype Optimus robots were controlled by humans

But the prototypes used "artificial intelligence" to control their walking. After Elon Musk provided his "long-term" vision for autonomous, humanoid robots at last week's "We, Rob.....»»

Category: topSource:  arstechnicaRelated NewsOct 15th, 2024

Is the physics of red blood cells in bats a key to "artificial hibernation" for humans?

The mechanical properties of red blood cells (erythrocytes) at various temperatures could play an important role in mammals' ability to hibernate. This is the outcome of a study that compared the thermomechanical properties of erythrocytes in two spe.....»»

Category: topSource:  physorgRelated NewsOct 15th, 2024

Reoxygenating oceans: Startups lead the way in Baltic Sea

European scientists have teamed up with two startups in a pioneering experiment to tackle one of the major problems facing sea life—the depletion of oxygen in the ocean, causing the disappearance of fish and marine biodiversity......»»

Category: topSource:  physorgRelated NewsOct 15th, 2024

How "vaccinating" plants could reduce pesticide use and secure global food supplies

In a growing and changing world, we need to find ways of putting food on everyone's table. Pesticides have enabled mass cultivation on an incredible scale, but they can have harmful secondary effects on humans and wildlife, and pests are rapidly evol.....»»

Category: topSource:  physorgRelated NewsOct 15th, 2024

Ancient hominins had humanlike hands, indicating earlier tool use, study reveals

An analysis by Eberhard Karls University of Tübingen, Germany, on the manual capabilities of early hominins reveals that some Australopithecus species exhibited hand use similar to modern humans......»»

Category: topSource:  physorgRelated NewsOct 15th, 2024

Netwrix appoints Grady Summers as CEO

Netwrix announced that Grady Summers has been appointed CEO effective immediately. Summers succeeds Steve Dickson, who has successfully led the company through record growth during his six-year tenure. Under Dickson’s leadership, Netwrix achiev.....»»

Category: securitySource:  netsecurityRelated NewsOct 15th, 2024

Invisible text that AI chatbots understand and humans can’t? Yep, it’s a thing.

A quirk in the Unicode standard harbors an ideal steganographic code channel. What if there was a way to sneak malicious instructions into Claude, Copilot, or other top-name AI ch.....»»

Category: topSource:  arstechnicaRelated NewsOct 14th, 2024

Ancient humans were so good at surviving the last ice age, they didn"t have to migrate like other species

Humans seem to have been adapted to the last ice age in similar ways to wolves and bears, according to our recent study, challenging longstanding theories about how and where our ancestors lived during this glacial period......»»

Category: topSource:  physorgRelated NewsOct 14th, 2024

What colors do bees see? And how do we know?

I was reading a children's book about insects to my daughter, and it said that bees see colors differently than humans do. My daughter immediately asked, in short succession: "What colors do they see? Why? How do we know?" I did some homework to find.....»»

Category: topSource:  pcmagRelated NewsOct 14th, 2024

Scientists successfully breed corals to improve their heat tolerance

A new study has shown that selective breeding can lead to a modest rise in coral heat tolerance......»»

Category: topSource:  marketingvoxRelated NewsOct 14th, 2024

In a first, Starship megarocket booster caught by SpaceX"s "chopsticks"

SpaceX successfully "caught" the first-stage booster of its Starship megarocket Sunday as it returned to the launch pad after a test flight, a world first in the company's quest for rapid reusability......»»

Category: topSource:  pcmagRelated NewsOct 13th, 2024