The tiger tooth aloe (Aloe juvenna) is a deceiving charmer. This clump succulent has an unusual growth habit. The leaves grow in stacked layers, with three leaves per layer. The stem of leaves grows ...

Before we start talking about tiger shark teeth, get to know the shark that these teeth come from. Tiger sharks, like many other shark species (but not all of them), are solitary creatures. They tend ...

Archaeologists have discovered two knives that were fashioned from shark teeth about 7,000 years ago. An international team of researchers uncovered the unique artifacts during excavations on the ...

Tiger teeth can be quite telling. That’s the hope of researchers from Rensselaer Polytechnic Institute and the New York State Museum, who performed a special scan on two banana-sized saber tooth tiger ...

image: A team of researchers led by Julia Tuertscher from the University of Vienna examined the fossil record of these apex predators and found out that modern tiger sharks are older than previously ...

With fewer than 500 individuals left in the wild today, plus a few hundred more in zoos, the Sumatran tiger is a rare and critically endangered species. Dr. Alice Sievers represents a rare group too.