On August 10, 1628, Vasa, the would-be jewel of Sweden’s navy sank only minutes after departing Stockholm. This tragedy – that claimed the lives of 30 of those on board – launched an inquest probing how the hulking 64-cannon ship met such an shameful end. Since the ship still exists almost in its entirety – held at a dedicated museum near Stockholm – we know that investigation was largely correct in its findings. The Sinking of the Swedish WarshipOn the day itself, Vasa set sail on cal ...read more

Though hardly a household name like Velociraptor or Tyrannosaurus rex, Megalosaurus holds a key place in the history of paleontology. That’s not because it’s an exceptional dinosaur but as it was the first dinosaur discovered, even before the term dinosaur was ever coined. For that reason, it is “phenomenally important,” according to Emma Nicholls, Collections Manager of Vertebrate Palaeontology at Oxford University’s Museum of Natural History.What we Know About the MegalosaurusMegalos ...read more

Whether you’re talking about sharks, crocodiles, lions, or even velociraptors, some of the most fearsome traits of these predators involve their rows of sharp, crushing, or jagged teeth.Only vertebrate animals have real teeth, though some invertebrates have hard tooth-like plates they use to eat. One of the earliest creatures with teeth were conodonts, an eel-like creature that first appeared around 500 million years ago. These creatures also have the record for the sharpest teeth, according t ...read more

One of the many unseen forces to which you owe your existence is magnetism. If it weren’t for the magnetic field that surrounds our planet, blocking cosmic radiation and solar wind, Earth would likely have little atmosphere to speak of. Life (at least of the human variety) would be impossible.Changes in the field can also play havoc with satellite communication and electric infrastructure, disrupting the modern world in a big way. Given the importance of this gargantuan bar magnet in our day-t ...read more

Humans, we’re not good with time. Let me qualify that: we’re good with short time, like how long until lunch or how long ago did the Mets win the World Series. Usually, if something happened within your lifetime, the conceptualization of that duration of time isn’t too bad. Even when you get older and it seems like 1995 wasn’t 30 years ago, you still can wrap your head around the fact that idea.Dive Back in TimeWhen time gets longer, things get harder. What was happening in your home tow ...read more

Nature has some peculiar ways of creating molecules. Many molecules, such as DNA, proteins, and sugars, have a property called chirality. Basically, chiral molecules are molecules that are shaped such that they can’t be superimposed on their mirror image.Scientists refer to this property as “handedness,” and it’s a great analogy for helping the rest of us understand chirality. If you put your right hand on top of your left hand, both hands palm down, they don’t match up. No matter how ...read more

Although food nourishes us and provides fuel for our bodies, it is also strongly associated with mood and emotion. What we eat and how we eat can impact how we feel — and conversely, certain feelings, good or bad, can motivate our food choices. Our relationship with food can be complicated as certain foods and emotions surrounding them can have stigmas, which may, in turn, lead to disordered eating. However, understanding our moods and how food and society can impact us is a step towards a he ...read more

Rising water temperatures, acidification, and deoxygenation are disrupting marine ecosystems worldwide. These changes threaten culturally and economically significant species, ultimately endangering the livelihoods that depend on them. To manage marine species struggling with climate change, it is essential to identify the most vulnerable ecosystems and species.A study conducted by the University of California, Santa Cruz, aims to help Californian fisheries adapt by developing climate-ready mana ...read more

The finale of a star’s life has enthralled scientists for years, yet questions continue to surround the explosions of white dwarf stars — the most common path that stars take during the later stages of their evolution. New research, however, has shed light on the astounding variety of ways that a white dwarf star can explode, capturing almost 4,000 of these events scattered across the distant universe. The explosions were detailed in a dataset and a collection of 21 associated studies publi ...read more

What are the odds of humanity emerging, well, anywhere? Conventional wisdom says that our emergence, evolution, and development on Earth were extremely improbable. But a new model says that humans gaining a foothold here wasn’t that difficult — and it’s not outside the realm of possibility that intelligent life could develop elsewhere in the universe, according to a paper in Science Advances.“This is a significant shift in how we think about the history of life,” Jennifer Macalady, a P ...read more