Science Mysteries

Who would suspect that the same mind that created the most famous literary detective of all time also took on the eternally popular genre of vampires? Sir Arthur Conan Doyle, a contemporary of Bram Stoker, gave us some fascinating works of vampire fiction. From the bloodsucking plant in "The American's Tale" to the bloodsucking wife in "The Adventure of the Sussex Vampire," he reveled in the horror created by creatures who survived on the blood of men and women.

The United States government is given a warning by the preeminent biophysicists in the country: current sterilization procedures applied to returning space probes may be inadequate to guarantee uncontaminated re-entry to the atmosphere.

Being a beta tester for Radical Interactive was not the dream job Will had envisioned, but he had hoped it would get his foot in the door to one day becoming a graphic designer for the company. As he filled out his new-hire paperwork, he never realized he was literally signing his life away. Now a phenomenally successful company, Radical Interactive was secretly working on something behind closed doors that would change both the medical and gaming industries forever. The Realm was reborn. The only problem was that it wasn't a game - at least not to those trapped inside.

If Lexi Balefire's matchmaking skills seem like magic, it's for a good reason - being witchy runs in her family. Too bad the family magic has passed her by. Without access to enough power, Lexi might never control the Balefire legacy. Even worse, power might turn her into a wicked witch like her mother and grandmother before her. Lexi can only hope her dedication to bringing soul mates together is enough to counteract her family's sordid past.

Lucy and her friends' time at Minecrafters Academy is coming to an end, and the entire school is preparing for graduation. But when an explosion shakes the campus and Lucy's old friend Steve appears with bad news from his village, all plans to celebrate come to a halt. The school is no longer under attack - it's being destroyed. And it's time for the students to use their training outside the safety of the Academy. Lucy, Jane, and Phoebe must use the skills they've honed in school to battle the evil force.

In the near future, when America has become a police state, 100 boys are selected to enter an annual contest where the winner will be awarded whatever he wants for the rest of his life. Among them is 16-year-old Ray Garraty, and he knows the rules - keep a steady walking pace of four miles per hour without stopping. Three warnings and you're out - permanently.

Deep in the African rain forest, near the legendary ruins of the Lost City of Zinj, an expedition of eight American geologists are mysteriously and brutally killed in a matter of minutes. Ten thousand miles away, Karen Ross, the Congo Project Supervisor, watches a gruesome video transmission of the aftermath: a camp destroyed, tents crushed and torn, equipment scattered in the mud alongside dead bodies - all motionless except for one moving image - a grainy, dark, man-shaped blur.

Harriet, Jack, and Toby are treasure hunters, searching the Minecraft world for its most valuable hidden secrets. In an abandoned mineshaft, they discovered the first of three lost journals that once belonged to William, a legendary explorer who has gone missing. The journals have taken them on a daring adventure to a secret temple deep within a desert biome, then into the perilous depths of the Nether. Now the treasure hunters are facing their greatest challenge yet.

A Royal Witch: There are new roommates in the Beechwood Manor, and one of them is a royal witch. When tragedy strikes, it's going to take all hands on deck if the paranormal roomies hope to make it out alive. First Place Witch: With her potions shop officially open for business, Holly sets off to the San Francisco Haven to compete with the most elite potions masters in the entire country. Sassy Witch: It's Valentine's Day in Beechwood Harbor, and the town is rolling out the rose-colored carpet to host a group of eager singles in an effort to boost town tourism.

Rose Winter has enough problems. With a marriage going down the tubes and a dreaded anniversary party on the horizon, the last thing she needs is the zombie apocalypse. She wanted to get drunk and sing karaoke, not murder her undead neighbors. It’s clear the party’s over, however, now Rose has more problems - a missing husband, an overbearing houseguest, and keeping her family alive.

When Percy Jackson receives an urgent distress call from his friend Grover, he immediately prepares for battle. He knows he'll need his powerful demigod allies, Annabeth and Thalia, at his side; his trusty bronze sword, Riptide; and...a ride from his mom.

They are not human. They are not natural. They are not friendly. At a research station in Antarctica, five of the world's top scientists have been brought together to solve one of the greatest mysteries in human history. Their subject, however, is anything but human. Deep beneath the ice, the submerged ruins of a lost civilization hold the key to the strange mutations that each scientist has encountered across the globe. When a series of sound waves trigger the ancient organisms, a new kind of evolution begins. A long-extinct life form is reborn.

The history of magic is as long as time and as wide as the world. In every culture, in every age, in every place and, probably, in every heart, there is magic. Harry Potter: A History of Magic reveals some of the hidden stories behind real-world magic and explores some of J.K. Rowling's magical inventions alongside their folkloric, cultural and historical forebears.

Skylar Reid is shaken when Sasha, the little girl she babysits, is kidnapped. She's scared that the weird dreams she's been having about Sasha are real - and even more afraid that Sasha is already dead. When a mysterious girl with extreme butt-kicking abilities roars into town on a motorcycle and starts stalking Skylar, things get even weirder. Supergirl Dana tells Sky that she also has abilities, that a hormone in their blood makes them stronger, faster, smarter...

Ten years ago, Hell Diver Xavier "X" Rodriguez fell to Earth. Those he left behind went on without him aboard the airship he once called home. Michael Everheart - the boy once known as Tin - has grown into a man and the commander of Hell Diver Raptor Team. While Michael dives to help keep the Hive in the air, Captain Leon Jordan rules with an iron fist at the helm of the ship. But unrest stirs under his strict leadership as a prophecy of hope sweeps the lower decks.

Harry Blackstone Copperfield Dresden has had a rough couple of weeks. As the only openly practicing professional wizard in the Chicago area, he has squared off against a multitude of supernatural bad guys. Harry has won the day against demons, poltergeists, sorcerers, trolls, vampires, werewolves, and even an evil faerie godmother. You might think nothing could spook him. You would be wrong.

As Sarah and Julian begin their quest to uncover the truth surrounding his curse, a new threat arises, endangering not only their lives but the future they hope to build with one another. In order to protect themselves and those they care about the most, Julian and Sarah must use all of the resources at their disposal to neutralize their adversaries.

Fallon Swift, approaching her thirteenth birthday, barely knows the world that existed before - the city where her parents lived, now in ruins and reclaimed by nature since the Doom sickened and killed billions. Traveling anywhere is a danger, as vicious gangs of Raiders and fanatics called Purity Warriors search for their next victim. Those like Fallon, in possession of gifts, are hunted - and the time is coming when her true nature, her identity as The One, can no longer be hidden.

George Galen is a brilliant scientist, a pioneer in gene therapy. But Galen is dangerously insane. He has created a method to alter human DNA, not just to heal diseases, but also to "improve" people - make them stronger, make them able to heal more quickly...and make them compliant to his will.

In 1942, Lawrence Pritchard Waterhouse - mathematical genius and young Captain in the US Navy - is assigned to detachment 2702. It is an outfit so secret that only a handful of people know it exists, and some of those people have names like Churchill and Roosevelt. The mission of Watrehouse and Detachment 2702 - commanded by Marine Raider Bobby Shaftoe - is to keep the Nazis ignorant of the fact that Allied Intelligence has cracked the enemy's fabled Enigma code. In the present, Waterhouse's crypto-hacker grandson, Randy, is attempting to create a "data haven" in Southeast Asia....