Durham city: Minute male capsules on the prothallus burst open, releasing sperm with whiplash tails that swim frantically towards the egg cells Since humans first began to pile stone upon stone to ...

MANILA, Philippines - All plicataforms (wavy, including lasagna-forms), furcataforms (forking forms), filiforms and serrataforms may all be propagated through spores. Some fasciated forms and ...

Now that spring is here, bracken fern (Pteridium aquilinum) has been popping up everywhere. Over the winter, the plant turned brown and all but disappeared, but now it’s re-emerging from an extensive ...