Stefan Sirucek

Why Is the Cold U.S. Winter Killing Off Stinkbugs?

Humans aren’t the only species bugging out from the polar vortex, the winter weather system that’s still menacing large swaths of the United States with bone-chilling temperatures.  Be glad you’re not an Asian stinkbug, which are dying ...

Hummingbirds May Change Their Tunes to Seduce Mates

The male hummingbird is a dedicated suitor, returning to the same place every day for up to eight months a year to trumpet his availability–for as long as eight hours at a stretch. He’ll repeat his song two ...

Meet the Animals Behind the Mascots of the 2014 Winter Olympics

When the 2014 Winter Olympics in Sochi, Russia, kick off with the opening ceremony this Friday, a leopard, a hare, and a polar bear will be among those gathering with athletes, dignitaries, and journalists. But fear not, these four-legged animals are ...

Meet the Animals Behind the Mascots of the 2014 Winter Olympics

When the 2014 Winter Olympics in Sochi, Russia, kick off with the opening ceremony this Friday, a leopard, a hare, and a polar bear will be among those gathering with athletes, dignitaries, and journalists. But fear not, these four-legged animals are ...

Striking Picture: Bats Hunt Frogs by Detecting Water Ripples

Male túngara frogs (Physalemus pustulosus) are the romantic type. Instead of roaming around looking for mates, these tiny Central and South American rain forest amphibians sit in puddles singing love songs, attracting females that flock to the aquatic crooner’...

Striking Picture: Bats Hunt Frogs by Detecting Water Ripples

Male túngara frogs (Physalemus pustulosus) are the romantic type. Instead of roaming around looking for mates, these tiny Central and South American rain forest amphibians sit in puddles singing love songs, attracting females that flock to the aquatic crooner’...

“World First”: Watch Polar Bear Cubs Open Eyes

Warning: If you can’t handle extreme cuteness, you may want to look away. Twin baby polar bears at the Hellabrunn Zoo in Munich, Germany, have opened their eyes for the first time. The twin cubs, just five weeks old, ...

“World First”: Watch Polar Bear Cubs Open Eyes

Warning: If you can’t handle extreme cuteness, you may want to look away. Twin baby polar bears at the Hellabrunn Zoo in Munich, Germany, have opened their eyes for the first time. The twin cubs, just five weeks old, ...

Did Ancient Peoples Bless Their Houses With Eggs?

Sardis, an ancient city in modern-day Turkey, has been the site of archeological expeditions since 1910 and is still churning out new finds today. But this past July archaeologists working at the site found something particularly unusual: 2,000-year-old eggs, likely meant ...

Did Ancient Peoples Bless Their Houses With Eggs?

Sardis, an ancient city in modern-day Turkey, has been the site of archeological expeditions since 1910 and is still churning out new finds today. But this past July archaeologists working at the site found something particularly unusual: 2,000-year-old eggs, likely meant ...

Video: Why Do Prairie Dogs Do “The Wave”?

It’s not easy being a rodent in the U.S. Great Plains. Animals like black-tailed prairie dogs (Cynomys ludovicianus) are under constant threat of being preyed upon from land and air by predators that include hawks, eagles, and coyotes. ...

Video: Why Do Prairie Dogs Do “The Wave”?

It’s not easy being a rodent in the U.S. Great Plains. Animals like black-tailed prairie dogs (Cynomys ludovicianus) are under constant threat of being preyed upon from land and air by predators that include hawks, eagles, and coyotes. ...

How Cats and People Grew to Love Each Other

Long before cats ruled the Internet and tamed humans to do their bidding, they had to be domesticated themselves. But the science has always been murky on when that occurred. Today’s domestic cats are believed to be the descendants ...

Alien Cockroach Species Invading the U.S.

New York City, home to eight million people and untold numbers of cockroaches, just got a few more of the latter. A newly seen species, Periplaneta japonica, has just been discovered in New York’s elevated High Line park. As ...

Alien Cockroach Species Invading the U.S.

New York City, home to eight million people and untold numbers of cockroaches, just got a few more of the latter. A newly seen species, Periplaneta japonica, has just been discovered in New York’s elevated High Line park. As ...